diff --git a/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/downgrade.ql b/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/downgrade.ql
new file mode 100644
index 000000000000..f52526ecdf93
--- /dev/null
+++ b/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/downgrade.ql
@@ -0,0 +1,11 @@
+class Element extends @element {
+  string toString() { none() }
+}
+
+query predicate new_unspecified_elements(Element e, string property, string error) {
+  unspecified_elements(e, property, error)
+  or
+  error = "Macro declarations removed during database downgrade. Please update your CodeQL code." and
+  property = "" and
+  macro_decls(e, _)
+}
diff --git a/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/old.dbscheme b/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/old.dbscheme
new file mode 100644
index 000000000000..58e9efb426b5
--- /dev/null
+++ b/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/old.dbscheme
@@ -0,0 +1,2762 @@
+// generated by codegen/codegen.py
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @callable
+| @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @macro_role
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+macro_roles(
+  unique int id: @macro_role,
+  int kind: int ref,
+  int macro_syntax: int ref
+);
+
+#keyset[id, index]
+macro_role_conformances(
+  int id: @macro_role ref,
+  int index: int ref,
+  int conformance: @type_expr_or_none ref
+);
+
+#keyset[id, index]
+macro_role_names(
+  int id: @macro_role ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @macro_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @macro_decl
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+macro_decls(  //dir=decl
+  unique int id: @macro_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+macro_decl_parameters(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int parameter: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+macro_decl_roles(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int role: @macro_role_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@macro_role_or_none =
+  @macro_role
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_expr_or_none =
+  @type_expr
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/swift.dbscheme b/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/swift.dbscheme
new file mode 100644
index 000000000000..556e495d498c
--- /dev/null
+++ b/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/swift.dbscheme
@@ -0,0 +1,2710 @@
+// generated by codegen/codegen.py
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @callable
+| @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/upgrade.properties b/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/upgrade.properties
new file mode 100644
index 000000000000..8014f0e52670
--- /dev/null
+++ b/swift/downgrades/58e9efb426b5b2b322a64c9dab988b02578e0f04/upgrade.properties
@@ -0,0 +1,11 @@
+description: Removes MacroDecls
+compatibility: partial
+
+unspecified_elements.rel: run downgrade.ql new_unspecified_elements
+
+macro_decls.rel: delete
+macro_roles.rel: delete
+macro_role_conformances.rel: delete
+macro_role_names.rel: delete
+macro_decl_parameters.rel: delete
+macro_decl_roles.rel: delete
diff --git a/swift/extractor/infra/SwiftDispatcher.h b/swift/extractor/infra/SwiftDispatcher.h
index f6705a00b802..8201e0d7e01f 100644
--- a/swift/extractor/infra/SwiftDispatcher.h
+++ b/swift/extractor/infra/SwiftDispatcher.h
@@ -36,7 +36,8 @@ class SwiftDispatcher {
                               const swift::TypeBase*,
                               const swift::CapturedValue*,
                               const swift::PoundAvailableInfo*,
-                              const swift::AvailabilitySpec*>;
+                              const swift::AvailabilitySpec*,
+                              const swift::MacroRoleAttr*>;
 
  public:
   // all references and pointers passed as parameters to this constructor are supposed to outlive
@@ -334,6 +335,7 @@ class SwiftDispatcher {
   virtual void visit(const swift::TypeRepr* typeRepr, swift::Type type) = 0;
   virtual void visit(const swift::TypeBase* type) = 0;
   virtual void visit(const swift::CapturedValue* capture) = 0;
+  virtual void visit(const swift::MacroRoleAttr* attr) = 0;
 
   template <typename T>
   requires(!std::derived_from<T, swift::TypeRepr>) void visit(const T* e, swift::Type) { visit(e); }
diff --git a/swift/extractor/infra/SwiftLocationExtractor.h b/swift/extractor/infra/SwiftLocationExtractor.h
index 65ef79c00180..d3892b094a1f 100644
--- a/swift/extractor/infra/SwiftLocationExtractor.h
+++ b/swift/extractor/infra/SwiftLocationExtractor.h
@@ -28,6 +28,13 @@ concept HasStartAndEndLoc = requires(T e) {
 }
 &&!(HasSourceRange<T>);
 
+template <typename T>
+concept HasLAndRParenLoc = requires(T e) {
+  e.getLParenLoc();
+  e.getRParenLoc();
+}
+&&!(HasSourceRange<T>)&&!(HasStartAndEndLoc<T>);
+
 template <typename T>
 concept HasOneLoc = requires(T e) {
   e.getLoc();
@@ -50,6 +57,13 @@ swift::SourceRange getSourceRange(const HasStartAndEndLoc auto& locatable) {
   return {locatable.getStartLoc()};
 }
 
+swift::SourceRange getSourceRange(const HasLAndRParenLoc auto& locatable) {
+  if (locatable.getLParenLoc() && locatable.getRParenLoc()) {
+    return {locatable.getLParenLoc(), locatable.getRParenLoc()};
+  }
+  return {locatable.getLParenLoc()};
+}
+
 swift::SourceRange getSourceRange(const HasOneLoc auto& locatable) {
   return {locatable.getLoc()};
 }
diff --git a/swift/extractor/infra/SwiftTagTraits.h b/swift/extractor/infra/SwiftTagTraits.h
index 255c3eb7d819..537f40249355 100644
--- a/swift/extractor/infra/SwiftTagTraits.h
+++ b/swift/extractor/infra/SwiftTagTraits.h
@@ -196,7 +196,7 @@ MAP(swift::Expr, ExprTag)
   MAP(swift::OneWayExpr, OneWayExprTag)
   MAP(swift::TapExpr, TapExprTag)
   MAP(swift::TypeJoinExpr, void)  // TODO (introduced in 5.8)
-  MAP(swift::MacroExpansionExpr, void)  // TODO (introduced in 5.8)
+  MAP(swift::MacroExpansionExpr, void) // unexpanded macro in an expr context, skipping
   MAP(swift::CopyExpr, CopyExprTag)
   MAP(swift::ConsumeExpr, ConsumeExprTag)
   MAP(swift::MaterializePackExpr, void)  // TODO (introduced in 5.9)
@@ -228,7 +228,7 @@ MAP(swift::Decl, DeclTag)
       MAP(swift::FuncDecl, AccessorOrNamedFunctionTag)
         MAP_CONCRETE(swift::FuncDecl, NamedFunctionTag)
         MAP(swift::AccessorDecl, AccessorTag)
-    MAP(swift::MacroDecl, void)  // TODO (introduced in 5.8)
+    MAP(swift::MacroDecl, MacroDeclTag)
     MAP(swift::EnumElementDecl, EnumElementDeclTag)
   MAP(swift::ExtensionDecl, ExtensionDeclTag)
   MAP(swift::TopLevelCodeDecl, TopLevelCodeDeclTag)
@@ -243,10 +243,8 @@ MAP(swift::Decl, DeclTag)
     MAP(swift::InfixOperatorDecl, InfixOperatorDeclTag)
     MAP(swift::PrefixOperatorDecl, PrefixOperatorDeclTag)
     MAP(swift::PostfixOperatorDecl, PostfixOperatorDeclTag)
-  MAP(swift::MacroExpansionDecl, void)  // TODO (introduced in 5.8)
-#if CODEQL_SWIFT_VERSION_GE(5, 9)
-  MAP(swift::MissingDecl, void)  // TODO (introduced in 5.9)
-#endif
+  MAP(swift::MacroExpansionDecl, void) // unexpanded macro in a decl context, skipping
+  MAP(swift::MissingDecl, void) // appears around an unexpanded macro, skipping
 
 MAP(swift::Pattern, PatternTag)
   MAP(swift::ParenPattern, ParenPatternTag)
@@ -350,6 +348,7 @@ MAP(swift::AvailabilitySpec, AvailabilitySpecTag)
   MAP(swift::OtherPlatformAvailabilitySpec, OtherAvailabilitySpecTag)
 
 MAP(swift::PoundAvailableInfo, AvailabilityInfoTag)
+MAP(swift::MacroRoleAttr, MacroRoleTag)
 
 // clang-format on
 #undef MAP
diff --git a/swift/extractor/translators/DeclTranslator.cpp b/swift/extractor/translators/DeclTranslator.cpp
index a74dc61942b6..0248d98e79f5 100644
--- a/swift/extractor/translators/DeclTranslator.cpp
+++ b/swift/extractor/translators/DeclTranslator.cpp
@@ -374,4 +374,32 @@ codeql::CapturedDecl DeclTranslator::translateCapturedValue(const swift::Capture
   entry.is_escaping = !capture.isNoEscape();
   return entry;
 }
+
+codeql::MacroDecl DeclTranslator::translateMacroDecl(const swift::MacroDecl& decl) {
+  auto entry = createEntry(decl);
+  fillValueDecl(decl, entry);
+  fillGenericContext(decl, entry);
+  entry.name = constructName(decl.getName());
+  for (auto attr : decl.getAttrs().getAttributes<swift::MacroRoleAttr>()) {
+    entry.roles.emplace_back(dispatcher.fetchLabel(attr));
+  }
+  if (decl.getParameterList()) {
+    for (auto param : *decl.getParameterList()) {
+      entry.parameters.emplace_back(dispatcher.fetchLabel(param));
+    }
+  }
+  return entry;
+}
+
+codeql::MacroRole DeclTranslator::translateMacroRoleAttr(const swift::MacroRoleAttr& attr) {
+  auto entry = dispatcher.createEntry(attr);
+  entry.kind = static_cast<uint32_t>(attr.getMacroRole());
+  entry.macro_syntax = static_cast<uint8_t>(attr.getMacroSyntax());
+  entry.conformances = dispatcher.fetchRepeatedLabels(attr.getConformances());
+  for (auto& declName : attr.getNames()) {
+    entry.names.emplace_back(constructName(declName.getName()));
+  }
+  return entry;
+}
+
 }  // namespace codeql
diff --git a/swift/extractor/translators/DeclTranslator.h b/swift/extractor/translators/DeclTranslator.h
index ec0dc2a640ff..1c61c89aa45f 100644
--- a/swift/extractor/translators/DeclTranslator.h
+++ b/swift/extractor/translators/DeclTranslator.h
@@ -49,6 +49,8 @@ class DeclTranslator : public AstTranslatorBase<DeclTranslator> {
   codeql::PoundDiagnosticDecl translatePoundDiagnosticDecl(const swift::PoundDiagnosticDecl& decl);
   codeql::MissingMemberDecl translateMissingMemberDecl(const swift::MissingMemberDecl& decl);
   codeql::CapturedDecl translateCapturedValue(const swift::CapturedValue& capture);
+  codeql::MacroDecl translateMacroDecl(const swift::MacroDecl& decl);
+  codeql::MacroRole translateMacroRoleAttr(const swift::MacroRoleAttr& attr);
 
  private:
   void fillFunction(const swift::AbstractFunctionDecl& decl, codeql::Function& entry);
diff --git a/swift/extractor/translators/SwiftVisitor.h b/swift/extractor/translators/SwiftVisitor.h
index b6e5ee0875ee..9d927749f01c 100644
--- a/swift/extractor/translators/SwiftVisitor.h
+++ b/swift/extractor/translators/SwiftVisitor.h
@@ -53,6 +53,8 @@ class SwiftVisitor : private SwiftDispatcher {
     declTranslator.translateAndEmit(*capture);
   }
 
+  void visit(const swift::MacroRoleAttr* attr) override { declTranslator.translateAndEmit(*attr); }
+
   DeclTranslator declTranslator{*this};
   ExprTranslator exprTranslator{*this};
   StmtTranslator stmtTranslator{*this};
diff --git a/swift/extractor/translators/TranslatorBase.h b/swift/extractor/translators/TranslatorBase.h
index 76ddad10dc60..e85fd830b25b 100644
--- a/swift/extractor/translators/TranslatorBase.h
+++ b/swift/extractor/translators/TranslatorBase.h
@@ -89,6 +89,10 @@ class AstTranslatorBase : private swift::ASTVisitor<CrtpSubclass>,
     dispatcher.emit(static_cast<CrtpSubclass*>(this)->translateCapturedValue(e));
   }
 
+  void translateAndEmit(const swift::MacroRoleAttr& attr) {
+    dispatcher.emit(static_cast<CrtpSubclass*>(this)->translateMacroRoleAttr(attr));
+  }
+
  private:
   friend class swift::ASTVisitor<CrtpSubclass>;
 
diff --git a/swift/ql/.generated.list b/swift/ql/.generated.list
index 07aea55f1701..14c802f39ed8 100644
--- a/swift/ql/.generated.list
+++ b/swift/ql/.generated.list
@@ -8,6 +8,7 @@ lib/codeql/swift/elements/DbLocationConstructor.qll f98d927f2cc2b0b5de51eee3e0b6
 lib/codeql/swift/elements/DiagnosticsConstructor.qll 5212997161b95b0b10e7707843c9d3f9bf760af7a8646f26c5793507b5162224 2b9fbc9d84048d3dffa782db049e1ecdaaa1696744515e28ac4421ab265a5f67
 lib/codeql/swift/elements/ErrorElement.qll 4f11ac258e5babef18708553989ce792344e40900f96562ad472a53abff159fd d4d11f5fa399aca2991eb47f5d2d1f9ef1306e763a9b4221bc0026f3d50b3130
 lib/codeql/swift/elements/KeyPathComponentConstructor.qll ff71795157639520f56ce99ed49bf25486c125a0f27a3bb3ba2c8492feca13b2 5875187267cf91e37426d817a6c0c5e7ba9ddb0bd840ad358338ba003e0a877c
+lib/codeql/swift/elements/MacroRoleConstructor.qll c45c189fd441e2c23b1c94dec9f357192f5e392051e0becf52c020d830e38e54 e281ef4ba76a6e4b2b689e00f542ef585cec7a540911ccd7fbb59f3232f08a3d
 lib/codeql/swift/elements/OtherAvailabilitySpecConstructor.qll c5638ae4f3993c7a111fb2a516667190642c1948f18806cf29f78b7067021d10 cc93ac54741ba952b32385db0fe072576a9c8697cd793bcb8faed98f0fb6bda0
 lib/codeql/swift/elements/PlatformVersionAvailabilitySpecConstructor.qll 015280737e71fe1084da6056410fd73dc4473a3b3296d0e46c0ca64f07dd5b7f c735c42e45ebdc308a1f02ff15d65d4d1154071e55645a9ae763d6c021d7f601
 lib/codeql/swift/elements/UnspecifiedElementConstructor.qll f7e232dae7362d0c3f9f33f952d9106da3d273f16b124008919fba6e40a944b6 eb30f05ae09f2c7bc93d758c0870b63f16bf61d0d2446ed827250f89772596ab
@@ -36,6 +37,8 @@ lib/codeql/swift/elements/decl/ImportDeclConstructor.qll 1876052c283d9701cf2e2c9
 lib/codeql/swift/elements/decl/InfixOperatorDecl.qll f3028c9d9da2770b120498dc558f9a447b10e996f6f00c7b7456af2d8b31e314 218a02bb2f10bd7f0add10943a11ba77cb3e416b4cf2e68b7530f825d896ffed
 lib/codeql/swift/elements/decl/InfixOperatorDeclConstructor.qll 92dc3ac72c1d7b88b61cf9faa8048e6ba3e9af8b17d3bfe91919394e252e2595 d70cc9989101ce7268a6959cbcc8bf8a1e08f69a4c8734a6d85bf6abc668ddea
 lib/codeql/swift/elements/decl/InitializerConstructor.qll 0741961a1e5d65bf906ae5f2b8e745da30d215624faaca092dd869b33b82db39 72d0c8fc3d6c53923ae7b3f7c2d9eccb556352df69e5fd5566b8cec9eb0c4ee6
+lib/codeql/swift/elements/decl/MacroDecl.qll e33c90f10da798e26444787834bfe2754890c84202d82537a500f721614d1a73 f23dc7c70cb5f8eaffad4df3347e4eaff17a69e9e99888b0d5ecece3cd913349
+lib/codeql/swift/elements/decl/MacroDeclConstructor.qll fa08d8ba96541d43db4c6908fff8c8f06dce8a40d5eeaba607e20daf16df0a20 b5c1bbd697b5f309afb684e224066ff499bba5e66a1172b9269f7a579420ec40
 lib/codeql/swift/elements/decl/MissingMemberDeclConstructor.qll f7c299d55d8f14386cade490155cdc7edbe26ef67796a273cc7779d740f5e3a9 377f1fdd4f798506adb297cdc80545b5842acfe33a2187b9dfe2442f59b3120d
 lib/codeql/swift/elements/decl/ModuleDecl.qll 11e54958739679424525e889de7f0b9f1074e7e123482ee94ac45ab261e33ef8 73917bd8a2985d1d1bfa72e3db20978b56ec30a679cf8fc6c3af3ee54994fb41
 lib/codeql/swift/elements/decl/ModuleDeclConstructor.qll 51106eb585219a6211a354c4a4ae9ac0dfa088e412145e1218eff1e31f82bf4d f05597e555014a58381b75b44b05b00a03a99e7ce54faf606df1128c1a5bbfd8
@@ -383,7 +386,7 @@ lib/codeql/swift/elements/type/UnresolvedTypeConstructor.qll 7f75d489b4d7ce65cae
 lib/codeql/swift/elements/type/VariadicSequenceTypeConstructor.qll fc74a5a2a2effa28ef24509b20ee4373d97cf6e8c71840121bb031c6adedf584 c9b2effc1d01c13c5e6a74a111122fa79a2f6554dda3cb016d68ba397e566ec4
 lib/codeql/swift/elements/type/WeakStorageType.qll edd13dd97b53040684409e187c1f975bcada6807c919e1345d8977144dbebb6f 9434c044d264a7f5f503a6422c106c9b8fedf74aaae314174473a29ea6ed17b9
 lib/codeql/swift/elements/type/WeakStorageTypeConstructor.qll 5fdce3716aba6318522174a2c455a63480970222ae81c732fb19c6dd3ae2d271 60ea79d6943e129deba0deccb566cf9d73f78398b0f7f0212674d91287d6b2ae
-lib/codeql/swift/elements.qll a3e46884bac3428bdec439ba97c65a69fea02e30b074b585f8db378844215fe3 a3e46884bac3428bdec439ba97c65a69fea02e30b074b585f8db378844215fe3
+lib/codeql/swift/elements.qll 34a49e70c33620aae14b9370dc6fdc702fbf292c206d9ebfaa23c8e7680480df 34a49e70c33620aae14b9370dc6fdc702fbf292c206d9ebfaa23c8e7680480df
 lib/codeql/swift/generated/AstNode.qll 68877daa9e14b462247ac6b7b724f5e683288e39953a8ebb02a362b7d1df8e4c 54d3512744738e1ee15645f3af116437053cb5209687f4106361a1943b38b666
 lib/codeql/swift/generated/AvailabilityInfo.qll e74e218a1ab00416cb8823610ff93642101aa784aa61cbc2b4deef61471a5bac e2c6c19860dc3e6e211041c95d8e6d52c3505ccff7018b80a849735cc98141af
 lib/codeql/swift/generated/AvailabilitySpec.qll a8afc5071887a67b4e0dec27356ab8cbf3e176b5358cb34c785e3015b2cad5a2 c7f88b0d701612c821359c983b3102f31b23edc211c3dcfe97de5adec61af386
@@ -398,13 +401,14 @@ lib/codeql/swift/generated/File.qll 27b43d817c9335a3d11686b7a09369f5cbf4b1f6a5b7
 lib/codeql/swift/generated/KeyPathComponent.qll cdfd7123f6b03186f36204eac00a0e5a1ee323fd42c3e8997da3390cb4989caf 96fa51fbf43b690c10b13201446af73ec9c4d57187eef80b4f70689323bcf35f
 lib/codeql/swift/generated/Locatable.qll 6cb437dd7ff7331429ec6586b0af50b1af15e4f72be47b5c89278923d4a9cea0 a93ac33767e077fa5a4c65b2110111de1939c9bb73fecdaf5aee80dce54469b7
 lib/codeql/swift/generated/Location.qll 3f3bad413be87d05a596fe7b8004f415c2caa98cb759021a6aad20b589b7d700 ed30ed646962b3ffb6b47c97c6434fe47a6b1ea8e3f2e0589577bea5cf96c88e
+lib/codeql/swift/generated/MacroRole.qll 8d15ac897080165635e0728f2b45d9b3066759b26c487f0456b821a1b08c1482 678ef0077de578e13472ec58c124397cd66b913db503f4db558aef919266b892
 lib/codeql/swift/generated/OtherAvailabilitySpec.qll 06393a08e8da36106c5ec6efb9f1bd56a5c7b3d3f3d0bcefc6fa07fa96860c31 06393a08e8da36106c5ec6efb9f1bd56a5c7b3d3f3d0bcefc6fa07fa96860c31
-lib/codeql/swift/generated/ParentChild.qll a00f7eecdc91d98ad421c6d883bf2cc6e92c213befdcc494bf8ad25f2c5d4ae2 cd2c70e5940a302108319bdc16d25f49df3165be5b94fa825b64b9b5771f117d
+lib/codeql/swift/generated/ParentChild.qll fffa8748471139e0143521443cb7bf566db136f932e80e1917e7ab7140389835 c7768c3ad33fb1934b7b8955d09fe1d2978187e8d1f59a9ba0595f5bcb884d2d
 lib/codeql/swift/generated/PlatformVersionAvailabilitySpec.qll 5355be9da8b778d1d8ae60d25d9c3394477da24f94e8a6ab4484c6a16d07cd7c 075438c1762ec0a7775004b39032dcf85aada038a4269e6f428c34b8282786e9
 lib/codeql/swift/generated/PureSynthConstructors.qll 40f5c0c573ce12f16322d9efb12306750f672254cbc36a200c298cb08e504229 40f5c0c573ce12f16322d9efb12306750f672254cbc36a200c298cb08e504229
-lib/codeql/swift/generated/Raw.qll f15f0b35be65adb8027e17b5fd5478eabb5000ee887dafc5c40d8abd03ced3e3 75fc6fbb74e0720b736c13ec3627247c49f8201df929647cdb2985282abf23c1
-lib/codeql/swift/generated/Synth.qll 93565d0244a9f5bf4ba3f19a0ffabef4b8dc48703c580b905ffeac716eea5445 74d977cfe6fbb3d90579dc45b40254549e686d91eb16999c9e69fec18ab7df28
-lib/codeql/swift/generated/SynthConstructors.qll fbbf618c54843d86b4c38d7b27e12cce7661b49ce52573f791dd8fcb4bbd40f5 fbbf618c54843d86b4c38d7b27e12cce7661b49ce52573f791dd8fcb4bbd40f5
+lib/codeql/swift/generated/Raw.qll 31fc7cb2d45a8699447116df6bd3ddaa9b630d437d7a898b8054371a7bc92f6e b997210dccad7802e3ba9326d803eed61aa9fc6748f9e04d8184fde5d1cba63c
+lib/codeql/swift/generated/Synth.qll 62abfaec75a308f222d8a7b8bb3260a1226977c253e87dbf9fc74f6e35398f53 c45d3237d9bdfb11d0372a5a1997d794a94a7eeeba3938d234bbbf802dacd9ad
+lib/codeql/swift/generated/SynthConstructors.qll 73604e68bac553fe06b52aa768cd5f876b3cf85ee88bca96f7e2e4db76ef997f 73604e68bac553fe06b52aa768cd5f876b3cf85ee88bca96f7e2e4db76ef997f
 lib/codeql/swift/generated/UnknownFile.qll 5325944cf96a72d5d224597745e15960fb6a9448b96b6644ececd6344dfd9d74 5325944cf96a72d5d224597745e15960fb6a9448b96b6644ececd6344dfd9d74
 lib/codeql/swift/generated/UnknownLocation.qll dfdeb8eedb2564eccaac416695784ea04fe9754a3e109e8484c695021af4e554 dfdeb8eedb2564eccaac416695784ea04fe9754a3e109e8484c695021af4e554
 lib/codeql/swift/generated/UnspecifiedElement.qll 8ecc275cc131fe5aa61052299e10c49c3718f96416df9eeacabf5aea34d97982 b02dfcf0df3859551b176e065291da943670ab4da6ed84d02a0861ff689001c6
@@ -430,6 +434,7 @@ lib/codeql/swift/generated/decl/IfConfigDecl.qll 53082a36da6effe865bf9c2df598998
 lib/codeql/swift/generated/decl/ImportDecl.qll 540a53652ef1e11ef61c405e1c3d4b0eb198b9bb2152a88439622a6d35db6a31 1bcedef7c9bc0b02b7314cb67558d537481f9619968319ada5da6f09e59aa53a
 lib/codeql/swift/generated/decl/InfixOperatorDecl.qll 2aa1db0150f53a5d04c491013b4f65562ddd9aa3b8fa83165145663407cfbf6c 78503fd043cec744557b5398870f45eada22a67a864437a675ec4ea70d613aef
 lib/codeql/swift/generated/decl/Initializer.qll ae9f059cc6f36e6e4c571ed934cb61f4d696663f1b12c6aa28bf53069735a6ea ae9f059cc6f36e6e4c571ed934cb61f4d696663f1b12c6aa28bf53069735a6ea
+lib/codeql/swift/generated/decl/MacroDecl.qll 5446a7daac2e14410abd69245b629060a9b679d740fc42919c98686833dddb7c 9c2a72f9e77d0a45cbb3dccf9c30501d8d3b77329a1112b627e6b1135f1d113d
 lib/codeql/swift/generated/decl/MissingMemberDecl.qll 5a1c0fdfc8bc8f6d8ff2f31ae2fe53e7f44fefb14ad37a4012ad8e69de933d06 3bbd3c5715c0e0c8e9bd35b59d1617b7d8522740bfbefe52996113198a5d20ea
 lib/codeql/swift/generated/decl/ModuleDecl.qll e5104509117209567cb3d55ed63d8e44847b8e1a9480c7ce9c2f475a0129bb42 979633e839719795d4db8331056b38a33f5432a57a4d7c1c8530bf3a9a88a7c0
 lib/codeql/swift/generated/decl/NamedFunction.qll c2e342643c2b2fa9729a3838cd592bc9127c0c74bf359533ebc837686e18c8e3 c2e342643c2b2fa9729a3838cd592bc9127c0c74bf359533ebc837686e18c8e3
@@ -749,6 +754,14 @@ test/extractor-tests/generated/decl/ImportDecl/ImportDecl_getImportedModule.ql 0
 test/extractor-tests/generated/decl/ImportDecl/ImportDecl_getMember.ql 6d48d3a93bc96dba3bda71ec9d9d6282615c2228a58da6167c169fafaedb3e17 8560b23d0f52b845c81727ce09c0b2f9647965c83d7de165e8cd3d91be5bdd42
 test/extractor-tests/generated/decl/InfixOperatorDecl/MISSING_SOURCE.txt 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7
 test/extractor-tests/generated/decl/Initializer/MISSING_SOURCE.txt 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7
+test/extractor-tests/generated/decl/MacroDecl/MacroDecl.ql 16900baee88fe4d7d4f88369e7455783b8c2058ee48a2af2136d1d778098854e 6dae3ea092d1810c301ed57841c5c93a5ee0d8f8187552d078ce26a74c1e4630
+test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getGenericTypeParam.ql ae35558863fc444ca6a034d74e90583a779a2edb755c523d33693a8ab418718f 2031af476afa267b71fe22071f7e9ec97d4872812d333ff733055b7b29ff8386
+test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getMember.ql 4abbe22e4c2b94b8f5d009386c93710e7a003d7faef7d044481fcb47cc85e85e 9a57fab9011773cfa77db44b1eedf7e2277380640161d708af9d4df6280df3d3
+test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getParameter.ql 449716b575d0a4caa69cabafeba289d328e12054a1f7aac77d0dd5c47904971f 9649a62096d5fc17e71e527bc1299cbf6a1f38d21f685c86469bc6c83a62268a
+test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getRole.ql d861b3ac12e38826d6e9ac72b7e6f2b82b4328e6e02bf26ea496635501cd1722 c2b606a39dd68dbeea4709d4c868a66db7ffae720f4163540f6d1e0aaeaafc11
+test/extractor-tests/generated/decl/MacroDecl/MacroRole.ql cd8c70998a177f14e1b10eb214ffefd62b2c4a7839dc845bf155ddb0888dd4a7 cdad06e902ab61005dcb552d1340754a12fc18a9256f49dd6fb3ccbd34605ef2
+test/extractor-tests/generated/decl/MacroDecl/MacroRole_getConformance.ql d36aeb229667a5b0153534872523ed84e28cdb9f8400d1f3051c15227e05c793 dc18b70f2e65edc86f12179ba3756dbfc3802dc87f875c2e11d97359b180c767
+test/extractor-tests/generated/decl/MacroDecl/MacroRole_getName.ql fa339f428f572873f76ace1dea80e643a198bd435a8ce6cc0f38cac870e590f7 fa1a87d0f0a71684c927cb7049efb627eeb42f4d436bcaef196b01e12d0e4aa7
 test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.ql d096e82574438b1e6d646b8762217dc74f9f9c40b01d642ef6a0286a55ecad9d 3eae6049885efcd3ffd6117af31cd12d792492b1591a88444a8e4a7fa31ac187
 test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl_getAnExportedModule.ql 321619519c5cffefda78f11f2c85a199af76fccbfcc51126c7a558ba12fdfd80 30e48eb820ba9d7f3ec30bf4536c0f84280c5f2ca8c63427f6b77d74a092e68b
 test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl_getAnImportedModule.ql 65fae5b1a7db3a11fd837ed78c663e8907306c36695ae73e4e29559755276fbe 3ddef1a7af7a636e66674fadb3e727ad18655a9ecb4c73fd3d6aca202f1191fb
diff --git a/swift/ql/.gitattributes b/swift/ql/.gitattributes
index 15e77446de9d..15097a7afb34 100644
--- a/swift/ql/.gitattributes
+++ b/swift/ql/.gitattributes
@@ -10,6 +10,7 @@
 /lib/codeql/swift/elements/DiagnosticsConstructor.qll linguist-generated
 /lib/codeql/swift/elements/ErrorElement.qll linguist-generated
 /lib/codeql/swift/elements/KeyPathComponentConstructor.qll linguist-generated
+/lib/codeql/swift/elements/MacroRoleConstructor.qll linguist-generated
 /lib/codeql/swift/elements/OtherAvailabilitySpecConstructor.qll linguist-generated
 /lib/codeql/swift/elements/PlatformVersionAvailabilitySpecConstructor.qll linguist-generated
 /lib/codeql/swift/elements/UnspecifiedElementConstructor.qll linguist-generated
@@ -38,6 +39,8 @@
 /lib/codeql/swift/elements/decl/InfixOperatorDecl.qll linguist-generated
 /lib/codeql/swift/elements/decl/InfixOperatorDeclConstructor.qll linguist-generated
 /lib/codeql/swift/elements/decl/InitializerConstructor.qll linguist-generated
+/lib/codeql/swift/elements/decl/MacroDecl.qll linguist-generated
+/lib/codeql/swift/elements/decl/MacroDeclConstructor.qll linguist-generated
 /lib/codeql/swift/elements/decl/MissingMemberDeclConstructor.qll linguist-generated
 /lib/codeql/swift/elements/decl/ModuleDecl.qll linguist-generated
 /lib/codeql/swift/elements/decl/ModuleDeclConstructor.qll linguist-generated
@@ -400,6 +403,7 @@
 /lib/codeql/swift/generated/KeyPathComponent.qll linguist-generated
 /lib/codeql/swift/generated/Locatable.qll linguist-generated
 /lib/codeql/swift/generated/Location.qll linguist-generated
+/lib/codeql/swift/generated/MacroRole.qll linguist-generated
 /lib/codeql/swift/generated/OtherAvailabilitySpec.qll linguist-generated
 /lib/codeql/swift/generated/ParentChild.qll linguist-generated
 /lib/codeql/swift/generated/PlatformVersionAvailabilitySpec.qll linguist-generated
@@ -432,6 +436,7 @@
 /lib/codeql/swift/generated/decl/ImportDecl.qll linguist-generated
 /lib/codeql/swift/generated/decl/InfixOperatorDecl.qll linguist-generated
 /lib/codeql/swift/generated/decl/Initializer.qll linguist-generated
+/lib/codeql/swift/generated/decl/MacroDecl.qll linguist-generated
 /lib/codeql/swift/generated/decl/MissingMemberDecl.qll linguist-generated
 /lib/codeql/swift/generated/decl/ModuleDecl.qll linguist-generated
 /lib/codeql/swift/generated/decl/NamedFunction.qll linguist-generated
@@ -751,6 +756,14 @@
 /test/extractor-tests/generated/decl/ImportDecl/ImportDecl_getMember.ql linguist-generated
 /test/extractor-tests/generated/decl/InfixOperatorDecl/MISSING_SOURCE.txt linguist-generated
 /test/extractor-tests/generated/decl/Initializer/MISSING_SOURCE.txt linguist-generated
+/test/extractor-tests/generated/decl/MacroDecl/MacroDecl.ql linguist-generated
+/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getGenericTypeParam.ql linguist-generated
+/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getMember.ql linguist-generated
+/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getParameter.ql linguist-generated
+/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getRole.ql linguist-generated
+/test/extractor-tests/generated/decl/MacroDecl/MacroRole.ql linguist-generated
+/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getConformance.ql linguist-generated
+/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getName.ql linguist-generated
 /test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.ql linguist-generated
 /test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl_getAnExportedModule.ql linguist-generated
 /test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl_getAnImportedModule.ql linguist-generated
diff --git a/swift/ql/lib/change-notes/2023-11-21-macros.md b/swift/ql/lib/change-notes/2023-11-21-macros.md
new file mode 100644
index 000000000000..2d581ff9a0e5
--- /dev/null
+++ b/swift/ql/lib/change-notes/2023-11-21-macros.md
@@ -0,0 +1,4 @@
+---
+category: minorAnalysis
+---
+* Extracts `MacroDecl` and some related information
diff --git a/swift/ql/lib/codeql/swift/elements.qll b/swift/ql/lib/codeql/swift/elements.qll
index 4bea23710325..a815c7060f18 100644
--- a/swift/ql/lib/codeql/swift/elements.qll
+++ b/swift/ql/lib/codeql/swift/elements.qll
@@ -17,6 +17,7 @@ import codeql.swift.elements.File
 import codeql.swift.elements.KeyPathComponent
 import codeql.swift.elements.Locatable
 import codeql.swift.elements.Location
+import codeql.swift.elements.MacroRole
 import codeql.swift.elements.OtherAvailabilitySpec
 import codeql.swift.elements.PlatformVersionAvailabilitySpec
 import codeql.swift.elements.UnknownFile
@@ -43,6 +44,7 @@ import codeql.swift.elements.decl.IfConfigDecl
 import codeql.swift.elements.decl.ImportDecl
 import codeql.swift.elements.decl.InfixOperatorDecl
 import codeql.swift.elements.decl.Initializer
+import codeql.swift.elements.decl.MacroDecl
 import codeql.swift.elements.decl.MissingMemberDecl
 import codeql.swift.elements.decl.ModuleDecl
 import codeql.swift.elements.decl.NamedFunction
diff --git a/swift/ql/lib/codeql/swift/elements/MacroRole.qll b/swift/ql/lib/codeql/swift/elements/MacroRole.qll
new file mode 100644
index 000000000000..969a3329702f
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/MacroRole.qll
@@ -0,0 +1,100 @@
+/**
+ * This module provides a hand-modifiable wrapper around the generated class `MacroRole`.
+ */
+
+private import codeql.swift.generated.MacroRole
+
+// the following QLdoc is generated: if you need to edit it, do it in the schema file
+/**
+ * The role of a macro, for example #freestanding(declaration) or @attached(member).
+ */
+class MacroRole extends Generated::MacroRole {
+  /**
+   * String representation of the role kind.
+   */
+  string getKindName() {
+    this.isExpressionKind() and result = "expression"
+    or
+    this.isDeclarationKind() and result = "declaration"
+    or
+    this.isAccessorKind() and result = "accessor"
+    or
+    this.isMemberAttributeKind() and result = "memberAttribute"
+    or
+    this.isMemberKind() and result = "member"
+    or
+    this.isPeerKind() and result = "peer"
+    or
+    this.isConformanceKind() and result = "conformance"
+    or
+    this.isCodeItemKind() and result = "codeItem"
+    or
+    this.isExtensionKind() and result = "extension"
+  }
+
+  /**
+   * Holds for `expression` roles.
+   */
+  predicate isExpressionKind() { this.getKind() = 1 }
+
+  /**
+   * Holds for `declaration` roles.
+   */
+  predicate isDeclarationKind() { this.getKind() = 2 }
+
+  /**
+   * Holds for `accessor` roles.
+   */
+  predicate isAccessorKind() { this.getKind() = 4 }
+
+  /**
+   * Holds for `memberAttribute` roles.
+   */
+  predicate isMemberAttributeKind() { this.getKind() = 8 }
+
+  /**
+   * Holds for `member` roles.
+   */
+  predicate isMemberKind() { this.getKind() = 16 }
+
+  /**
+   * Holds for `peer` roles.
+   */
+  predicate isPeerKind() { this.getKind() = 32 }
+
+  /**
+   * Holds for `conformance` roles.
+   */
+  predicate isConformanceKind() { this.getKind() = 64 }
+
+  /**
+   * Holds for `codeItem` roles.
+   */
+  predicate isCodeItemKind() { this.getKind() = 128 }
+
+  /**
+   * Holds for `extension` roles.
+   */
+  predicate isExtensionKind() { this.getKind() = 256 }
+
+  /**
+   * String representation of the macro syntax.
+   */
+  string getMacroSyntaxName() {
+    this.isFreestandingMacroSyntax() and result = "#freestanding"
+    or
+    this.isAttachedMacroSyntax() and result = "@attached"
+  }
+
+  /**
+   * Holds for #freestanding macros.
+   */
+  predicate isFreestandingMacroSyntax() { this.getMacroSyntax() = 0 }
+
+  /**
+   * Holds for @attached macros.
+   */
+  predicate isAttachedMacroSyntax() { this.getMacroSyntax() = 1 }
+
+  override string toString() { result = this.getMacroSyntaxName() + "(" + this.getKindName() + ")" }
+}
diff --git a/swift/ql/lib/codeql/swift/elements/MacroRoleConstructor.qll b/swift/ql/lib/codeql/swift/elements/MacroRoleConstructor.qll
new file mode 100644
index 000000000000..c03d73f6a6fd
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/MacroRoleConstructor.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ *  This module defines the hook used internally to tweak the characteristic predicate of
+ *  `MacroRole` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.Raw
+
+/**
+ *  The characteristic predicate of `MacroRole` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+predicate constructMacroRole(Raw::MacroRole id) { any() }
diff --git a/swift/ql/lib/codeql/swift/elements/decl/MacroDecl.qll b/swift/ql/lib/codeql/swift/elements/decl/MacroDecl.qll
new file mode 100644
index 000000000000..50a1c2eb7a8c
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/decl/MacroDecl.qll
@@ -0,0 +1,20 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ * This module provides a hand-modifiable wrapper around the generated class `MacroDecl`.
+ */
+
+private import codeql.swift.generated.decl.MacroDecl
+
+/**
+ * A declaration of a macro. Some examples:
+ *
+ * ```
+ * @freestanding(declaration)
+ * macro A() = #externalMacro(module: "A", type: "A")
+ * @freestanding(expression)
+ * macro B() = Builtin.B
+ * @attached(member)
+ * macro C() = C.C
+ * ```
+ */
+class MacroDecl extends Generated::MacroDecl { }
diff --git a/swift/ql/lib/codeql/swift/elements/decl/MacroDeclConstructor.qll b/swift/ql/lib/codeql/swift/elements/decl/MacroDeclConstructor.qll
new file mode 100644
index 000000000000..de6ad47d1c59
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/decl/MacroDeclConstructor.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ *  This module defines the hook used internally to tweak the characteristic predicate of
+ *  `MacroDecl` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.Raw
+
+/**
+ *  The characteristic predicate of `MacroDecl` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+predicate constructMacroDecl(Raw::MacroDecl id) { any() }
diff --git a/swift/ql/lib/codeql/swift/generated/MacroRole.qll b/swift/ql/lib/codeql/swift/generated/MacroRole.qll
new file mode 100644
index 000000000000..4c42045876c3
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/generated/MacroRole.qll
@@ -0,0 +1,87 @@
+// generated by codegen/codegen.py
+/**
+ * This module provides the generated definition of `MacroRole`.
+ * INTERNAL: Do not import directly.
+ */
+
+private import codeql.swift.generated.Synth
+private import codeql.swift.generated.Raw
+import codeql.swift.elements.AstNode
+import codeql.swift.elements.expr.TypeExpr
+
+/**
+ * INTERNAL: This module contains the fully generated definition of `MacroRole` and should not
+ * be referenced directly.
+ */
+module Generated {
+  /**
+   * The role of a macro, for example #freestanding(declaration) or @attached(member).
+   * INTERNAL: Do not reference the `Generated::MacroRole` class directly.
+   * Use the subclass `MacroRole`, where the following predicates are available.
+   */
+  class MacroRole extends Synth::TMacroRole, AstNode {
+    override string getAPrimaryQlClass() { result = "MacroRole" }
+
+    /**
+     * Gets the kind of this macro role (declaration, expression, member, etc.).
+     */
+    int getKind() { result = Synth::convertMacroRoleToRaw(this).(Raw::MacroRole).getKind() }
+
+    /**
+     * Gets the #freestanding or @attached.
+     */
+    int getMacroSyntax() {
+      result = Synth::convertMacroRoleToRaw(this).(Raw::MacroRole).getMacroSyntax()
+    }
+
+    /**
+     * Gets the `index`th conformance of this macro role (0-based).
+     *
+     * This includes nodes from the "hidden" AST. It can be overridden in subclasses to change the
+     * behavior of both the `Immediate` and non-`Immediate` versions.
+     */
+    TypeExpr getImmediateConformance(int index) {
+      result =
+        Synth::convertTypeExprFromRaw(Synth::convertMacroRoleToRaw(this)
+              .(Raw::MacroRole)
+              .getConformance(index))
+    }
+
+    /**
+     * Gets the `index`th conformance of this macro role (0-based).
+     */
+    final TypeExpr getConformance(int index) {
+      exists(TypeExpr immediate |
+        immediate = this.getImmediateConformance(index) and
+        result = immediate.resolve()
+      )
+    }
+
+    /**
+     * Gets any of the conformances of this macro role.
+     */
+    final TypeExpr getAConformance() { result = this.getConformance(_) }
+
+    /**
+     * Gets the number of conformances of this macro role.
+     */
+    final int getNumberOfConformances() { result = count(int i | exists(this.getConformance(i))) }
+
+    /**
+     * Gets the `index`th name of this macro role (0-based).
+     */
+    string getName(int index) {
+      result = Synth::convertMacroRoleToRaw(this).(Raw::MacroRole).getName(index)
+    }
+
+    /**
+     * Gets any of the names of this macro role.
+     */
+    final string getAName() { result = this.getName(_) }
+
+    /**
+     * Gets the number of names of this macro role.
+     */
+    final int getNumberOfNames() { result = count(int i | exists(this.getName(i))) }
+  }
+}
diff --git a/swift/ql/lib/codeql/swift/generated/ParentChild.qll b/swift/ql/lib/codeql/swift/generated/ParentChild.qll
index 49e5c2b41096..40371648c634 100644
--- a/swift/ql/lib/codeql/swift/generated/ParentChild.qll
+++ b/swift/ql/lib/codeql/swift/generated/ParentChild.qll
@@ -245,6 +245,19 @@ private module Impl {
     )
   }
 
+  private Element getImmediateChildOfMacroRole(MacroRole e, int index, string partialPredicateCall) {
+    exists(int b, int bAstNode, int n |
+      b = 0 and
+      bAstNode = b + 1 + max(int i | i = -1 or exists(getImmediateChildOfAstNode(e, i, _)) | i) and
+      n = bAstNode and
+      (
+        none()
+        or
+        result = getImmediateChildOfAstNode(e, index - b, partialPredicateCall)
+      )
+    )
+  }
+
   private Element getImmediateChildOfUnspecifiedElement(
     UnspecifiedElement e, int index, string partialPredicateCall
   ) {
@@ -605,6 +618,25 @@ private module Impl {
     )
   }
 
+  private Element getImmediateChildOfMacroDecl(MacroDecl e, int index, string partialPredicateCall) {
+    exists(int b, int bGenericContext, int bValueDecl, int n |
+      b = 0 and
+      bGenericContext =
+        b + 1 + max(int i | i = -1 or exists(getImmediateChildOfGenericContext(e, i, _)) | i) and
+      bValueDecl =
+        bGenericContext + 1 +
+          max(int i | i = -1 or exists(getImmediateChildOfValueDecl(e, i, _)) | i) and
+      n = bValueDecl and
+      (
+        none()
+        or
+        result = getImmediateChildOfGenericContext(e, index - b, partialPredicateCall)
+        or
+        result = getImmediateChildOfValueDecl(e, index - bGenericContext, partialPredicateCall)
+      )
+    )
+  }
+
   private Element getImmediateChildOfPostfixOperatorDecl(
     PostfixOperatorDecl e, int index, string partialPredicateCall
   ) {
@@ -5050,6 +5082,8 @@ private module Impl {
     or
     result = getImmediateChildOfKeyPathComponent(e, index, partialAccessor)
     or
+    result = getImmediateChildOfMacroRole(e, index, partialAccessor)
+    or
     result = getImmediateChildOfUnspecifiedElement(e, index, partialAccessor)
     or
     result = getImmediateChildOfOtherAvailabilitySpec(e, index, partialAccessor)
@@ -5080,6 +5114,8 @@ private module Impl {
     or
     result = getImmediateChildOfInfixOperatorDecl(e, index, partialAccessor)
     or
+    result = getImmediateChildOfMacroDecl(e, index, partialAccessor)
+    or
     result = getImmediateChildOfPostfixOperatorDecl(e, index, partialAccessor)
     or
     result = getImmediateChildOfPrefixOperatorDecl(e, index, partialAccessor)
diff --git a/swift/ql/lib/codeql/swift/generated/Raw.qll b/swift/ql/lib/codeql/swift/generated/Raw.qll
index 9a2564ec8f0a..b7a68d6091e7 100644
--- a/swift/ql/lib/codeql/swift/generated/Raw.qll
+++ b/swift/ql/lib/codeql/swift/generated/Raw.qll
@@ -246,6 +246,34 @@ module Raw {
     Type getComponentType() { key_path_components(this, _, result) }
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * The role of a macro, for example #freestanding(declaration) or @attached(member).
+   */
+  class MacroRole extends @macro_role, AstNode {
+    override string toString() { result = "MacroRole" }
+
+    /**
+     * Gets the kind of this macro role (declaration, expression, member, etc.).
+     */
+    int getKind() { macro_roles(this, result, _) }
+
+    /**
+     * Gets the #freestanding or @attached.
+     */
+    int getMacroSyntax() { macro_roles(this, _, result) }
+
+    /**
+     * Gets the `index`th conformance of this macro role (0-based).
+     */
+    TypeExpr getConformance(int index) { macro_role_conformances(this, index, result) }
+
+    /**
+     * Gets the `index`th name of this macro role (0-based).
+     */
+    string getName(int index) { macro_role_names(this, index, result) }
+  }
+
   /**
    * INTERNAL: Do not use.
    */
@@ -557,6 +585,38 @@ module Raw {
     PrecedenceGroupDecl getPrecedenceGroup() { infix_operator_decl_precedence_groups(this, result) }
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * A declaration of a macro. Some examples:
+   *
+   * ```
+   * @freestanding(declaration)
+   * macro A() = #externalMacro(module: "A", type: "A")
+   * @freestanding(expression)
+   * macro B() = Builtin.B
+   * @attached(member)
+   * macro C() = C.C
+   * ```
+   */
+  class MacroDecl extends @macro_decl, GenericContext, ValueDecl {
+    override string toString() { result = "MacroDecl" }
+
+    /**
+     * Gets the name of this macro.
+     */
+    string getName() { macro_decls(this, result) }
+
+    /**
+     * Gets the `index`th parameter of this macro (0-based).
+     */
+    ParamDecl getParameter(int index) { macro_decl_parameters(this, index, result) }
+
+    /**
+     * Gets the `index`th role of this macro (0-based).
+     */
+    MacroRole getRole(int index) { macro_decl_roles(this, index, result) }
+  }
+
   /**
    * INTERNAL: Do not use.
    */
diff --git a/swift/ql/lib/codeql/swift/generated/Synth.qll b/swift/ql/lib/codeql/swift/generated/Synth.qll
index 685b4d1ebbd0..8c8e7842d54f 100644
--- a/swift/ql/lib/codeql/swift/generated/Synth.qll
+++ b/swift/ql/lib/codeql/swift/generated/Synth.qll
@@ -39,6 +39,10 @@ module Synth {
      * INTERNAL: Do not use.
      */
     TKeyPathComponent(Raw::KeyPathComponent id) { constructKeyPathComponent(id) } or
+    /**
+     * INTERNAL: Do not use.
+     */
+    TMacroRole(Raw::MacroRole id) { constructMacroRole(id) } or
     /**
      * INTERNAL: Do not use.
      */
@@ -121,6 +125,10 @@ module Synth {
      * INTERNAL: Do not use.
      */
     TInitializer(Raw::Initializer id) { constructInitializer(id) } or
+    /**
+     * INTERNAL: Do not use.
+     */
+    TMacroDecl(Raw::MacroDecl id) { constructMacroDecl(id) } or
     /**
      * INTERNAL: Do not use.
      */
@@ -1061,7 +1069,7 @@ module Synth {
    */
   class TAstNode =
     TAvailabilityInfo or TAvailabilitySpec or TCaseLabelItem or TConditionElement or TDecl or
-        TExpr or TKeyPathComponent or TPattern or TStmt or TStmtCondition or TTypeRepr;
+        TExpr or TKeyPathComponent or TMacroRole or TPattern or TStmt or TStmtCondition or TTypeRepr;
 
   /**
    * INTERNAL: Do not use.
@@ -1128,7 +1136,8 @@ module Synth {
   /**
    * INTERNAL: Do not use.
    */
-  class TGenericContext = TExtensionDecl or TFunction or TGenericTypeDecl or TSubscriptDecl;
+  class TGenericContext =
+    TExtensionDecl or TFunction or TGenericTypeDecl or TMacroDecl or TSubscriptDecl;
 
   /**
    * INTERNAL: Do not use.
@@ -1153,7 +1162,8 @@ module Synth {
   /**
    * INTERNAL: Do not use.
    */
-  class TValueDecl = TAbstractStorageDecl or TEnumElementDecl or TFunction or TTypeDecl;
+  class TValueDecl =
+    TAbstractStorageDecl or TEnumElementDecl or TFunction or TMacroDecl or TTypeDecl;
 
   /**
    * INTERNAL: Do not use.
@@ -1427,6 +1437,13 @@ module Synth {
   cached
   TKeyPathComponent convertKeyPathComponentFromRaw(Raw::Element e) { result = TKeyPathComponent(e) }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a raw element to a synthesized `TMacroRole`, if possible.
+   */
+  cached
+  TMacroRole convertMacroRoleFromRaw(Raw::Element e) { result = TMacroRole(e) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a raw element to a synthesized `TOtherAvailabilitySpec`, if possible.
@@ -1579,6 +1596,13 @@ module Synth {
   cached
   TInitializer convertInitializerFromRaw(Raw::Element e) { result = TInitializer(e) }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a raw element to a synthesized `TMacroDecl`, if possible.
+   */
+  cached
+  TMacroDecl convertMacroDeclFromRaw(Raw::Element e) { result = TMacroDecl(e) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a raw element to a synthesized `TMissingMemberDecl`, if possible.
@@ -3319,6 +3343,8 @@ module Synth {
     or
     result = convertKeyPathComponentFromRaw(e)
     or
+    result = convertMacroRoleFromRaw(e)
+    or
     result = convertPatternFromRaw(e)
     or
     result = convertStmtFromRaw(e)
@@ -3528,6 +3554,8 @@ module Synth {
     or
     result = convertGenericTypeDeclFromRaw(e)
     or
+    result = convertMacroDeclFromRaw(e)
+    or
     result = convertSubscriptDeclFromRaw(e)
   }
 
@@ -3597,6 +3625,8 @@ module Synth {
     or
     result = convertFunctionFromRaw(e)
     or
+    result = convertMacroDeclFromRaw(e)
+    or
     result = convertTypeDeclFromRaw(e)
   }
 
@@ -4352,6 +4382,13 @@ module Synth {
   cached
   Raw::Element convertKeyPathComponentToRaw(TKeyPathComponent e) { e = TKeyPathComponent(result) }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a synthesized `TMacroRole` to a raw DB element, if possible.
+   */
+  cached
+  Raw::Element convertMacroRoleToRaw(TMacroRole e) { e = TMacroRole(result) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a synthesized `TOtherAvailabilitySpec` to a raw DB element, if possible.
@@ -4504,6 +4541,13 @@ module Synth {
   cached
   Raw::Element convertInitializerToRaw(TInitializer e) { e = TInitializer(result) }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a synthesized `TMacroDecl` to a raw DB element, if possible.
+   */
+  cached
+  Raw::Element convertMacroDeclToRaw(TMacroDecl e) { e = TMacroDecl(result) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a synthesized `TMissingMemberDecl` to a raw DB element, if possible.
@@ -6242,6 +6286,8 @@ module Synth {
     or
     result = convertKeyPathComponentToRaw(e)
     or
+    result = convertMacroRoleToRaw(e)
+    or
     result = convertPatternToRaw(e)
     or
     result = convertStmtToRaw(e)
@@ -6451,6 +6497,8 @@ module Synth {
     or
     result = convertGenericTypeDeclToRaw(e)
     or
+    result = convertMacroDeclToRaw(e)
+    or
     result = convertSubscriptDeclToRaw(e)
   }
 
@@ -6520,6 +6568,8 @@ module Synth {
     or
     result = convertFunctionToRaw(e)
     or
+    result = convertMacroDeclToRaw(e)
+    or
     result = convertTypeDeclToRaw(e)
   }
 
diff --git a/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll b/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll
index bb650ecb653a..1fb2c86aa625 100644
--- a/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll
+++ b/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll
@@ -9,6 +9,7 @@ import codeql.swift.elements.DbFileConstructor
 import codeql.swift.elements.DbLocationConstructor
 import codeql.swift.elements.DiagnosticsConstructor
 import codeql.swift.elements.KeyPathComponentConstructor
+import codeql.swift.elements.MacroRoleConstructor
 import codeql.swift.elements.OtherAvailabilitySpecConstructor
 import codeql.swift.elements.PlatformVersionAvailabilitySpecConstructor
 import codeql.swift.elements.UnspecifiedElementConstructor
@@ -27,6 +28,7 @@ import codeql.swift.elements.decl.IfConfigDeclConstructor
 import codeql.swift.elements.decl.ImportDeclConstructor
 import codeql.swift.elements.decl.InfixOperatorDeclConstructor
 import codeql.swift.elements.decl.InitializerConstructor
+import codeql.swift.elements.decl.MacroDeclConstructor
 import codeql.swift.elements.decl.MissingMemberDeclConstructor
 import codeql.swift.elements.decl.ModuleDeclConstructor
 import codeql.swift.elements.decl.NamedFunctionConstructor
diff --git a/swift/ql/lib/codeql/swift/generated/decl/MacroDecl.qll b/swift/ql/lib/codeql/swift/generated/decl/MacroDecl.qll
new file mode 100644
index 000000000000..f3dae61afce3
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/generated/decl/MacroDecl.qll
@@ -0,0 +1,81 @@
+// generated by codegen/codegen.py
+/**
+ * This module provides the generated definition of `MacroDecl`.
+ * INTERNAL: Do not import directly.
+ */
+
+private import codeql.swift.generated.Synth
+private import codeql.swift.generated.Raw
+import codeql.swift.elements.decl.GenericContext
+import codeql.swift.elements.MacroRole
+import codeql.swift.elements.decl.ParamDecl
+import codeql.swift.elements.decl.ValueDecl
+
+/**
+ * INTERNAL: This module contains the fully generated definition of `MacroDecl` and should not
+ * be referenced directly.
+ */
+module Generated {
+  /**
+   * A declaration of a macro. Some examples:
+   *
+   * ```
+   * @freestanding(declaration)
+   * macro A() = #externalMacro(module: "A", type: "A")
+   * @freestanding(expression)
+   * macro B() = Builtin.B
+   * @attached(member)
+   * macro C() = C.C
+   * ```
+   * INTERNAL: Do not reference the `Generated::MacroDecl` class directly.
+   * Use the subclass `MacroDecl`, where the following predicates are available.
+   */
+  class MacroDecl extends Synth::TMacroDecl, GenericContext, ValueDecl {
+    override string getAPrimaryQlClass() { result = "MacroDecl" }
+
+    /**
+     * Gets the name of this macro.
+     */
+    string getName() { result = Synth::convertMacroDeclToRaw(this).(Raw::MacroDecl).getName() }
+
+    /**
+     * Gets the `index`th parameter of this macro (0-based).
+     */
+    ParamDecl getParameter(int index) {
+      result =
+        Synth::convertParamDeclFromRaw(Synth::convertMacroDeclToRaw(this)
+              .(Raw::MacroDecl)
+              .getParameter(index))
+    }
+
+    /**
+     * Gets any of the parameters of this macro.
+     */
+    final ParamDecl getAParameter() { result = this.getParameter(_) }
+
+    /**
+     * Gets the number of parameters of this macro.
+     */
+    final int getNumberOfParameters() { result = count(int i | exists(this.getParameter(i))) }
+
+    /**
+     * Gets the `index`th role of this macro (0-based).
+     */
+    MacroRole getRole(int index) {
+      result =
+        Synth::convertMacroRoleFromRaw(Synth::convertMacroDeclToRaw(this)
+              .(Raw::MacroDecl)
+              .getRole(index))
+    }
+
+    /**
+     * Gets any of the roles of this macro.
+     */
+    final MacroRole getARole() { result = this.getRole(_) }
+
+    /**
+     * Gets the number of roles of this macro.
+     */
+    final int getNumberOfRoles() { result = count(int i | exists(this.getRole(i))) }
+  }
+}
diff --git a/swift/ql/lib/codeql/swift/printast/PrintAstNode.qll b/swift/ql/lib/codeql/swift/printast/PrintAstNode.qll
index 5b2a1d22d4d1..e7e63fd62cd9 100644
--- a/swift/ql/lib/codeql/swift/printast/PrintAstNode.qll
+++ b/swift/ql/lib/codeql/swift/printast/PrintAstNode.qll
@@ -20,7 +20,7 @@ class PrintAstConfiguration extends TPrintAstConfiguration {
   /**
    * Holds if the AST for `e` should be printed. By default, holds for all.
    */
-  predicate shouldPrint(Locatable e) { not e instanceof Diagnostics }
+  predicate shouldPrint(Locatable e) { not e instanceof Diagnostics and not e instanceof MacroRole }
 }
 
 private predicate shouldPrint(Locatable e) { any(PrintAstConfiguration config).shouldPrint(e) }
diff --git a/swift/ql/lib/swift.dbscheme b/swift/ql/lib/swift.dbscheme
index 556e495d498c..58e9efb426b5 100644
--- a/swift/ql/lib/swift.dbscheme
+++ b/swift/ql/lib/swift.dbscheme
@@ -113,6 +113,7 @@ locations(
 | @decl
 | @expr
 | @key_path_component
+| @macro_role
 | @pattern
 | @stmt
 | @stmt_condition
@@ -199,6 +200,26 @@ key_path_component_decl_refs(
   int decl_ref: @value_decl_or_none ref
 );
 
+macro_roles(
+  unique int id: @macro_role,
+  int kind: int ref,
+  int macro_syntax: int ref
+);
+
+#keyset[id, index]
+macro_role_conformances(
+  int id: @macro_role ref,
+  int index: int ref,
+  int conformance: @type_expr_or_none ref
+);
+
+#keyset[id, index]
+macro_role_names(
+  int id: @macro_role ref,
+  int index: int ref,
+  string name: string ref
+);
+
 unspecified_elements(
   unique int id: @unspecified_element,
   string property: string ref,
@@ -266,6 +287,7 @@ decl_members(  //dir=decl
   @extension_decl
 | @function
 | @generic_type_decl
+| @macro_decl
 | @subscript_decl
 ;
 
@@ -401,6 +423,7 @@ top_level_code_decls(  //dir=decl
   @abstract_storage_decl
 | @enum_element_decl
 | @function
+| @macro_decl
 | @type_decl
 ;
 
@@ -450,6 +473,25 @@ infix_operator_decl_precedence_groups(  //dir=decl
   int precedence_group: @precedence_group_decl_or_none ref
 );
 
+macro_decls(  //dir=decl
+  unique int id: @macro_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+macro_decl_parameters(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int parameter: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+macro_decl_roles(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int role: @macro_role_or_none ref
+);
+
 postfix_operator_decls(  //dir=decl
   unique int id: @postfix_operator_decl
 );
@@ -2614,6 +2656,11 @@ variadic_sequence_types(  //dir=type
 | @unspecified_element
 ;
 
+@macro_role_or_none =
+  @macro_role
+| @unspecified_element
+;
+
 @module_decl_or_none =
   @module_decl
 | @unspecified_element
@@ -2694,6 +2741,11 @@ variadic_sequence_types(  //dir=type
 | @unspecified_element
 ;
 
+@type_expr_or_none =
+  @type_expr
+| @unspecified_element
+;
+
 @type_repr_or_none =
   @type_repr
 | @unspecified_element
diff --git a/swift/ql/lib/upgrades/556e495d498c9c01286088785b590a7e80f0bb0b/old.dbscheme b/swift/ql/lib/upgrades/556e495d498c9c01286088785b590a7e80f0bb0b/old.dbscheme
new file mode 100644
index 000000000000..556e495d498c
--- /dev/null
+++ b/swift/ql/lib/upgrades/556e495d498c9c01286088785b590a7e80f0bb0b/old.dbscheme
@@ -0,0 +1,2710 @@
+// generated by codegen/codegen.py
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @callable
+| @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/ql/lib/upgrades/556e495d498c9c01286088785b590a7e80f0bb0b/swift.dbscheme b/swift/ql/lib/upgrades/556e495d498c9c01286088785b590a7e80f0bb0b/swift.dbscheme
new file mode 100644
index 000000000000..58e9efb426b5
--- /dev/null
+++ b/swift/ql/lib/upgrades/556e495d498c9c01286088785b590a7e80f0bb0b/swift.dbscheme
@@ -0,0 +1,2762 @@
+// generated by codegen/codegen.py
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @callable
+| @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @macro_role
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+macro_roles(
+  unique int id: @macro_role,
+  int kind: int ref,
+  int macro_syntax: int ref
+);
+
+#keyset[id, index]
+macro_role_conformances(
+  int id: @macro_role ref,
+  int index: int ref,
+  int conformance: @type_expr_or_none ref
+);
+
+#keyset[id, index]
+macro_role_names(
+  int id: @macro_role ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @macro_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @macro_decl
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+macro_decls(  //dir=decl
+  unique int id: @macro_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+macro_decl_parameters(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int parameter: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+macro_decl_roles(  //dir=decl
+  int id: @macro_decl ref,
+  int index: int ref,
+  int role: @macro_role_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@macro_role_or_none =
+  @macro_role
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_expr_or_none =
+  @type_expr
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/ql/lib/upgrades/556e495d498c9c01286088785b590a7e80f0bb0b/upgrade.properties b/swift/ql/lib/upgrades/556e495d498c9c01286088785b590a7e80f0bb0b/upgrade.properties
new file mode 100644
index 000000000000..a82a2815e89e
--- /dev/null
+++ b/swift/ql/lib/upgrades/556e495d498c9c01286088785b590a7e80f0bb0b/upgrade.properties
@@ -0,0 +1,2 @@
+description: Adds extraction of MacroDecl
+compatibility: partial
diff --git a/swift/ql/test/TestUtils.qll b/swift/ql/test/TestUtils.qll
index adaea059b473..603b21643464 100644
--- a/swift/ql/test/TestUtils.qll
+++ b/swift/ql/test/TestUtils.qll
@@ -16,6 +16,8 @@ predicate toBeTested(Element e) {
   or
   e instanceof PackArchetypeType
   or
+  e instanceof MacroRole
+  or
   exists(ModuleDecl m |
     m = e and
     not m.isBuiltinModule() and
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl.expected b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl.expected
new file mode 100644
index 000000000000..65bec16eea0d
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl.expected
@@ -0,0 +1,3 @@
+| test.swift:2:1:2:50 | MacroDecl | getNumberOfGenericTypeParams: | 0 | getModule: | file://:0:0:0:0 | test | getNumberOfMembers: | 0 | getInterfaceType: | () -> () | getName: | A() | getNumberOfParameters: | 0 | getNumberOfRoles: | 1 |
+| test.swift:4:1:4:15 | MacroDecl | getNumberOfGenericTypeParams: | 0 | getModule: | file://:0:0:0:0 | test | getNumberOfMembers: | 0 | getInterfaceType: | () -> () | getName: | B() | getNumberOfParameters: | 0 | getNumberOfRoles: | 1 |
+| test.swift:7:1:7:15 | MacroDecl | getNumberOfGenericTypeParams: | 0 | getModule: | file://:0:0:0:0 | test | getNumberOfMembers: | 0 | getInterfaceType: | () -> () | getName: | C() | getNumberOfParameters: | 0 | getNumberOfRoles: | 2 |
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl.ql b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl.ql
new file mode 100644
index 000000000000..1df2e30e4977
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl.ql
@@ -0,0 +1,20 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from
+  MacroDecl x, int getNumberOfGenericTypeParams, ModuleDecl getModule, int getNumberOfMembers,
+  Type getInterfaceType, string getName, int getNumberOfParameters, int getNumberOfRoles
+where
+  toBeTested(x) and
+  not x.isUnknown() and
+  getNumberOfGenericTypeParams = x.getNumberOfGenericTypeParams() and
+  getModule = x.getModule() and
+  getNumberOfMembers = x.getNumberOfMembers() and
+  getInterfaceType = x.getInterfaceType() and
+  getName = x.getName() and
+  getNumberOfParameters = x.getNumberOfParameters() and
+  getNumberOfRoles = x.getNumberOfRoles()
+select x, "getNumberOfGenericTypeParams:", getNumberOfGenericTypeParams, "getModule:", getModule,
+  "getNumberOfMembers:", getNumberOfMembers, "getInterfaceType:", getInterfaceType, "getName:",
+  getName, "getNumberOfParameters:", getNumberOfParameters, "getNumberOfRoles:", getNumberOfRoles
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getGenericTypeParam.expected b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getGenericTypeParam.expected
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getGenericTypeParam.ql b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getGenericTypeParam.ql
new file mode 100644
index 000000000000..81486a725476
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getGenericTypeParam.ql
@@ -0,0 +1,7 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from MacroDecl x, int index
+where toBeTested(x) and not x.isUnknown()
+select x, index, x.getGenericTypeParam(index)
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getMember.expected b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getMember.expected
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getMember.ql b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getMember.ql
new file mode 100644
index 000000000000..4dfc256313bf
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getMember.ql
@@ -0,0 +1,7 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from MacroDecl x, int index
+where toBeTested(x) and not x.isUnknown()
+select x, index, x.getMember(index)
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getParameter.expected b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getParameter.expected
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getParameter.ql b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getParameter.ql
new file mode 100644
index 000000000000..9ea97ab928d1
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getParameter.ql
@@ -0,0 +1,7 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from MacroDecl x, int index
+where toBeTested(x) and not x.isUnknown()
+select x, index, x.getParameter(index)
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getRole.expected b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getRole.expected
new file mode 100644
index 000000000000..0cc8daaa5b8d
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getRole.expected
@@ -0,0 +1,4 @@
+| test.swift:2:1:2:50 | MacroDecl | 0 | test.swift:1:14:1:26 | #freestanding(declaration) |
+| test.swift:4:1:4:15 | MacroDecl | 0 | test.swift:3:14:3:25 | #freestanding(expression) |
+| test.swift:7:1:7:15 | MacroDecl | 0 | test.swift:6:10:6:20 | @attached(extension) |
+| test.swift:7:1:7:15 | MacroDecl | 1 | test.swift:5:10:5:17 | @attached(member) |
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getRole.ql b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getRole.ql
new file mode 100644
index 000000000000..43e04896749f
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroDecl_getRole.ql
@@ -0,0 +1,7 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from MacroDecl x, int index
+where toBeTested(x) and not x.isUnknown()
+select x, index, x.getRole(index)
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole.expected b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole.expected
new file mode 100644
index 000000000000..c83b5e455902
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole.expected
@@ -0,0 +1,14 @@
+| file://:0:0:0:0 | #freestanding(declaration) | getKind: | 2 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| file://:0:0:0:0 | #freestanding(declaration) | getKind: | 2 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| file://:0:0:0:0 | #freestanding(expression) | getKind: | 1 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| file://:0:0:0:0 | #freestanding(expression) | getKind: | 1 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| file://:0:0:0:0 | #freestanding(expression) | getKind: | 1 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| file://:0:0:0:0 | #freestanding(expression) | getKind: | 1 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| file://:0:0:0:0 | #freestanding(expression) | getKind: | 1 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| file://:0:0:0:0 | #freestanding(expression) | getKind: | 1 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| file://:0:0:0:0 | #freestanding(expression) | getKind: | 1 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| file://:0:0:0:0 | #freestanding(expression) | getKind: | 1 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| test.swift:1:14:1:26 | #freestanding(declaration) | getKind: | 2 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| test.swift:3:14:3:25 | #freestanding(expression) | getKind: | 1 | getMacroSyntax: | 0 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| test.swift:5:10:5:17 | @attached(member) | getKind: | 16 | getMacroSyntax: | 1 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
+| test.swift:6:10:6:20 | @attached(extension) | getKind: | 256 | getMacroSyntax: | 1 | getNumberOfConformances: | 0 | getNumberOfNames: | 0 |
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole.ql b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole.ql
new file mode 100644
index 000000000000..c641ef44a37c
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole.ql
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from MacroRole x, int getKind, int getMacroSyntax, int getNumberOfConformances, int getNumberOfNames
+where
+  toBeTested(x) and
+  not x.isUnknown() and
+  getKind = x.getKind() and
+  getMacroSyntax = x.getMacroSyntax() and
+  getNumberOfConformances = x.getNumberOfConformances() and
+  getNumberOfNames = x.getNumberOfNames()
+select x, "getKind:", getKind, "getMacroSyntax:", getMacroSyntax, "getNumberOfConformances:",
+  getNumberOfConformances, "getNumberOfNames:", getNumberOfNames
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getConformance.expected b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getConformance.expected
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getConformance.ql b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getConformance.ql
new file mode 100644
index 000000000000..00d54a84c69d
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getConformance.ql
@@ -0,0 +1,7 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from MacroRole x, int index
+where toBeTested(x) and not x.isUnknown()
+select x, index, x.getConformance(index)
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getName.expected b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getName.expected
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getName.ql b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getName.ql
new file mode 100644
index 000000000000..7dec636e04e3
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/MacroRole_getName.ql
@@ -0,0 +1,7 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from MacroRole x, int index
+where toBeTested(x) and not x.isUnknown()
+select x, index, x.getName(index)
diff --git a/swift/ql/test/extractor-tests/generated/decl/MacroDecl/test.swift b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/test.swift
new file mode 100644
index 000000000000..b5dc1e78d5e5
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/decl/MacroDecl/test.swift
@@ -0,0 +1,7 @@
+@freestanding(declaration)
+macro A() = #externalMacro(module: "A", type: "A")
+@freestanding(expression)
+macro B() = B.B
+@attached(member)
+@attached(extension)
+macro C() = C.C
\ No newline at end of file
diff --git a/swift/schema.py b/swift/schema.py
index 9ae7368a839e..2d7c14e75b28 100644
--- a/swift/schema.py
+++ b/swift/schema.py
@@ -1361,3 +1361,31 @@ class BorrowExpr(IdentityExpr):
     ```
     """
     pass
+
+@qltest.test_with('MacroDecl')
+class MacroRole(AstNode):
+    """
+    The role of a macro, for example #freestanding(declaration) or @attached(member).
+    """
+    kind: int | doc("kind of this macro role (declaration, expression, member, etc.)")
+    macro_syntax: int | doc("#freestanding or @attached")
+    conformances: list[TypeExpr] | doc("conformances of this macro role")
+    names: list[string] | doc("names of this macro role")
+
+class MacroDecl(GenericContext, ValueDecl):
+    """
+    A declaration of a macro. Some examples:
+
+    ```
+    @freestanding(declaration)
+    macro A() = #externalMacro(module: "A", type: "A")
+    @freestanding(expression)
+    macro B() = Builtin.B
+    @attached(member)
+    macro C() = C.C
+    ```
+    """
+    name: string | doc("name of this macro")
+    parameters: list[ParamDecl] | doc("parameters of this macro")
+    roles: list[MacroRole] | doc("roles of this macro")
+    pass