From f212efbe5b0801dcb5cffb6f9eeba951794684c1 Mon Sep 17 00:00:00 2001
From: Jeroen Ketema <jketema@github.com>
Date: Mon, 11 May 2026 17:05:45 +0200
Subject: [PATCH 1/2] Swift: Expose the declared interface type of a type decl

---
 .../old.dbscheme                              | 2892 +++++++++++++++++
 .../swift.dbscheme                            | 2891 ++++++++++++++++
 .../upgrade.properties                        |    3 +
 .../extractor/translators/DeclTranslator.cpp  |    1 +
 swift/ql/.generated.list                      |   14 +-
 swift/ql/lib/codeql/swift/generated/Raw.qll   |    7 +-
 .../codeql/swift/generated/decl/TypeDecl.qll  |   23 +
 swift/ql/lib/swift.dbscheme                   |    3 +-
 .../old.dbscheme                              | 2891 ++++++++++++++++
 .../swift.dbscheme                            | 2892 +++++++++++++++++
 .../upgrade.properties                        |    4 +
 .../upgrade.ql                                |   29 +
 .../AssociatedTypeDecl.expected               |    4 +-
 .../AssociatedTypeDecl/AssociatedTypeDecl.ql  |    7 +-
 .../decl/ClassDecl/ClassDecl.expected         |    6 +-
 .../generated/decl/ClassDecl/ClassDecl.ql     |    6 +-
 .../generated/decl/EnumDecl/EnumDecl.expected |   10 +-
 .../generated/decl/EnumDecl/EnumDecl.ql       |    6 +-
 .../decl/ModuleDecl/ModuleDecl.expected       |    6 +-
 .../generated/decl/ModuleDecl/ModuleDecl.ql   |    8 +-
 .../OpaqueTypeDecl/OpaqueTypeDecl.expected    |    8 +-
 .../decl/OpaqueTypeDecl/OpaqueTypeDecl.ql     |    7 +-
 swift/schema.py                               |    1 +
 23 files changed, 11685 insertions(+), 34 deletions(-)
 create mode 100644 swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/old.dbscheme
 create mode 100644 swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/swift.dbscheme
 create mode 100644 swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/upgrade.properties
 create mode 100644 swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/old.dbscheme
 create mode 100644 swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/swift.dbscheme
 create mode 100644 swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/upgrade.properties
 create mode 100644 swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/upgrade.ql

diff --git a/swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/old.dbscheme b/swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/old.dbscheme
new file mode 100644
index 000000000000..1bb163e31d20
--- /dev/null
+++ b/swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/old.dbscheme
@@ -0,0 +1,2892 @@
+// generated by codegen/codegen.py, do not edit
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element 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
+| @callable
+| @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_specs(
+  unique int id: @availability_spec
+);
+
+#keyset[id]
+availability_spec_platforms(
+  int id: @availability_spec ref,
+  string platform: string ref
+);
+
+#keyset[id]
+availability_spec_versions(
+  int id: @availability_spec ref,
+  string version: string ref
+);
+
+#keyset[id]
+availability_spec_is_wildcard(
+  int id: @availability_spec 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
+);
+
+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: @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
+);
+
+@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
+| @using_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
+);
+
+using_decls(  //dir=decl
+  unique int id: @using_decl
+);
+
+#keyset[id]
+using_decl_is_main_actor(  //dir=decl
+  int id: @using_decl ref
+);
+
+#keyset[id]
+using_decl_is_nonisolated(  //dir=decl
+  int id: @using_decl 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,
+  int declared_interface_type: @type_or_none 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
+);
+
+#keyset[id]
+accessor_is_distributed_get(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read2(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify2(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_init(  //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
+| @current_context_isolation_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
+| @extract_function_isolation_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
+| @materialize_pack_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
+| @type_value_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
+);
+
+current_context_isolation_exprs(  //dir=expr
+  unique int id: @current_context_isolation_expr,
+  int actor: @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
+);
+
+extract_function_isolation_exprs(  //dir=expr
+  unique int id: @extract_function_isolation_expr,
+  int function_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
+| @unsafe_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
+| @actor_isolation_erasure_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
+| @unreachable_expr
+| @unresolved_type_conversion_expr
+| @unsafe_cast_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
+);
+
+materialize_pack_exprs(  //dir=expr
+  unique int id: @materialize_pack_expr,
+  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
+);
+
+type_value_exprs(  //dir=expr
+  unique int id: @type_value_expr,
+  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
+);
+
+actor_isolation_erasure_exprs(  //dir=expr
+  unique int id: @actor_isolation_erasure_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
+);
+
+unreachable_exprs(  //dir=expr
+  unique int id: @unreachable_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
+);
+
+unsafe_cast_exprs(  //dir=expr
+  unique int id: @unsafe_cast_expr
+);
+
+unsafe_exprs(  //dir=expr
+  unique int id: @unsafe_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
+;
+
+#keyset[id]
+pattern_types(  //dir=pattern
+  int id: @pattern ref,
+  int type_: @type_or_none ref
+);
+
+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
+| @discard_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @then_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
+);
+
+discard_stmts(  //dir=stmt
+  unique int id: @discard_stmt,
+  int sub_expr: @expr_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
+);
+
+then_stmts(  //dir=stmt
+  unique int id: @then_stmt,
+  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, index]
+for_each_stmt_variables(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_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
+| @integer_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_generic_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
+);
+
+integer_types(  //dir=type
+  unique int id: @integer_type,
+  string value: string 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_generic_type =
+  @builtin_fixed_array_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
+| @inline_array_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_fixed_array_types(  //dir=type
+  unique int id: @builtin_fixed_array_type,
+  int size: @type_or_none ref,
+  int element_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
+);
+
+inline_array_types(  //dir=type
+  unique int id: @inline_array_type,
+  int count_type: @type_or_none ref,
+  int element_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @existential_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
+);
+
+existential_archetype_types(  //dir=type
+  unique int id: @existential_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_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/1bb163e31d206f30146738adcd93def10fdabefa/swift.dbscheme b/swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/swift.dbscheme
new file mode 100644
index 000000000000..5738be6bb047
--- /dev/null
+++ b/swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/swift.dbscheme
@@ -0,0 +1,2891 @@
+// generated by codegen/codegen.py, do not edit
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element 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
+| @callable
+| @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_specs(
+  unique int id: @availability_spec
+);
+
+#keyset[id]
+availability_spec_platforms(
+  int id: @availability_spec ref,
+  string platform: string ref
+);
+
+#keyset[id]
+availability_spec_versions(
+  int id: @availability_spec ref,
+  string version: string ref
+);
+
+#keyset[id]
+availability_spec_is_wildcard(
+  int id: @availability_spec 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
+);
+
+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: @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
+);
+
+@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
+| @using_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
+);
+
+using_decls(  //dir=decl
+  unique int id: @using_decl
+);
+
+#keyset[id]
+using_decl_is_main_actor(  //dir=decl
+  int id: @using_decl ref
+);
+
+#keyset[id]
+using_decl_is_nonisolated(  //dir=decl
+  int id: @using_decl 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
+);
+
+#keyset[id]
+accessor_is_distributed_get(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read2(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify2(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_init(  //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
+| @current_context_isolation_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
+| @extract_function_isolation_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
+| @materialize_pack_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
+| @type_value_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
+);
+
+current_context_isolation_exprs(  //dir=expr
+  unique int id: @current_context_isolation_expr,
+  int actor: @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
+);
+
+extract_function_isolation_exprs(  //dir=expr
+  unique int id: @extract_function_isolation_expr,
+  int function_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
+| @unsafe_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
+| @actor_isolation_erasure_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
+| @unreachable_expr
+| @unresolved_type_conversion_expr
+| @unsafe_cast_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
+);
+
+materialize_pack_exprs(  //dir=expr
+  unique int id: @materialize_pack_expr,
+  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
+);
+
+type_value_exprs(  //dir=expr
+  unique int id: @type_value_expr,
+  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
+);
+
+actor_isolation_erasure_exprs(  //dir=expr
+  unique int id: @actor_isolation_erasure_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
+);
+
+unreachable_exprs(  //dir=expr
+  unique int id: @unreachable_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
+);
+
+unsafe_cast_exprs(  //dir=expr
+  unique int id: @unsafe_cast_expr
+);
+
+unsafe_exprs(  //dir=expr
+  unique int id: @unsafe_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
+;
+
+#keyset[id]
+pattern_types(  //dir=pattern
+  int id: @pattern ref,
+  int type_: @type_or_none ref
+);
+
+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
+| @discard_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @then_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
+);
+
+discard_stmts(  //dir=stmt
+  unique int id: @discard_stmt,
+  int sub_expr: @expr_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
+);
+
+then_stmts(  //dir=stmt
+  unique int id: @then_stmt,
+  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, index]
+for_each_stmt_variables(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_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
+| @integer_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_generic_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
+);
+
+integer_types(  //dir=type
+  unique int id: @integer_type,
+  string value: string 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_generic_type =
+  @builtin_fixed_array_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
+| @inline_array_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_fixed_array_types(  //dir=type
+  unique int id: @builtin_fixed_array_type,
+  int size: @type_or_none ref,
+  int element_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
+);
+
+inline_array_types(  //dir=type
+  unique int id: @inline_array_type,
+  int count_type: @type_or_none ref,
+  int element_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @existential_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
+);
+
+existential_archetype_types(  //dir=type
+  unique int id: @existential_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_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/1bb163e31d206f30146738adcd93def10fdabefa/upgrade.properties b/swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/upgrade.properties
new file mode 100644
index 000000000000..1dd157e51bec
--- /dev/null
+++ b/swift/downgrades/1bb163e31d206f30146738adcd93def10fdabefa/upgrade.properties
@@ -0,0 +1,3 @@
+description: Expose declared interface types
+compatibility: full
+type_decls.rel: reorder type_decls.rel (@type_decl id, string name, @type_or_none declared_interface_type) id name
diff --git a/swift/extractor/translators/DeclTranslator.cpp b/swift/extractor/translators/DeclTranslator.cpp
index 4a89d571c41d..f7ea94e36648 100644
--- a/swift/extractor/translators/DeclTranslator.cpp
+++ b/swift/extractor/translators/DeclTranslator.cpp
@@ -299,6 +299,7 @@ void DeclTranslator::fillTypeDecl(const swift::TypeDecl& decl, codeql::TypeDecl&
       entry.inherited_types.push_back(dispatcher.fetchLabel(type));
     }
   }
+  entry.declared_interface_type = dispatcher.fetchLabel(decl.getDeclaredInterfaceType());
   fillValueDecl(decl, entry);
 }
 
diff --git a/swift/ql/.generated.list b/swift/ql/.generated.list
index ea1cb6f571b2..f178f2bc4b3f 100644
--- a/swift/ql/.generated.list
+++ b/swift/ql/.generated.list
@@ -741,7 +741,7 @@ lib/codeql/swift/generated/Location.qll 5e20316c3e480ddfe632b7e88e016c19f10a67df
 lib/codeql/swift/generated/MacroRole.qll facf907e75490d69cd401c491215e4719324d751f40ea46c86ccf24cf3663c1f 969d8d4b44e3f1a9c193a152a4d83a303e56d2dbb871fc920c47a33f699cf018
 lib/codeql/swift/generated/ParentChild.qll 669d39245f2cb735cfd4bcebdb551ef8f334fef5297c5834a8b09ebfa655856e 59b283c8a30b6b364c853302ab919ea713e0289e7b793b08b46fc87178d14a6a
 lib/codeql/swift/generated/PureSynthConstructors.qll bc31a6c4d142fa3fbdcae69d5ba6f1cec00eb9ad92b46c8d7b91ebfa7ef6c1f4 bc31a6c4d142fa3fbdcae69d5ba6f1cec00eb9ad92b46c8d7b91ebfa7ef6c1f4
-lib/codeql/swift/generated/Raw.qll 0090c6509cb3fa5a67c996a2fc22e6338caef19701ca19463965b55b3c63096f 578329fa3abbabbadbff5e364e9c8d7ad76b41d4c17ad76e0660d41f48746659
+lib/codeql/swift/generated/Raw.qll a21e4f931d2bfcd9d964a7b930a81e7c169dc7ed7611f195087ea664745f90ea 3594391128bf4f3fb387ce386ab0f1ef070b7fa046425b6b4152f13b21d0a754
 lib/codeql/swift/generated/Synth.qll e30b50d2645d9c36719d81f1be70712c7c6e89a3f5b4a5ae894411e045d05bff 9bd0c9c90532db97cde9553dde4089b7cf12c462c690d853fa40cb36ea112c21
 lib/codeql/swift/generated/SynthConstructors.qll c40f01e1331bdbe238620a41d17409cefe34a6b23066708ef5d74f8631b54f48 c40f01e1331bdbe238620a41d17409cefe34a6b23066708ef5d74f8631b54f48
 lib/codeql/swift/generated/UnknownFile.qll 247ddf2ebb49ce5ed4bf7bf91a969ddff37de6c78d43d8affccaf7eb586e06f2 452b29f0465ef45e978ef8b647b75e5a2a1e53f2a568fc003bc8f52f73b3fa4d
@@ -787,7 +787,7 @@ lib/codeql/swift/generated/decl/StructDecl.qll baa06ebff9619339b461342828f952693
 lib/codeql/swift/generated/decl/SubscriptDecl.qll 18d84b4ef27ecb732ac4350b8b01cb8c48db5182680f6893d392d5994919ca97 fcb5fe713326957a5bdf9bb9098f979c77778c02252dcb9c6d915a8d15eb65cf
 lib/codeql/swift/generated/decl/TopLevelCodeDecl.qll b327da6de5b1e40f5eea5893f4fcb01803cfdd78bd757ec93daadedb7169bf8d 2d316fff198707fae5a43e6b24d2a547ee9502fd278468846495d1b2f4ea62b1
 lib/codeql/swift/generated/decl/TypeAliasDecl.qll 041c098c276bc7369049e9a11540e99b061d50977338cceca47488f82b21694e 06deed614cbe77031fdbf3f9591780e80b9f545adec8b7831a2b5329ee49bc5f
-lib/codeql/swift/generated/decl/TypeDecl.qll 92f74709cce7e9f0f713598d3b20b730475c312957c518b8096206f8744419a2 305bda46c8bef48b7e30392698e724093ab2984ffed74cae3361f818cbf8c77a
+lib/codeql/swift/generated/decl/TypeDecl.qll f8382cfd5800b1165b11fe927b35b2406826f0d1239114376656352039249b56 0247872a700e15c9243dd36e564e93c8b2aeec9cdd26ee675eaaf01525787111
 lib/codeql/swift/generated/decl/UsingDecl.qll 3bb697961f5699ec9ed1b87511714eac4ee69f5d82e1fd8c6598f121e23a2f7b 4e72b98a84f796d3e0e556ae6b84bf7b7f08adc225dcdc00fd120461e287b472
 lib/codeql/swift/generated/decl/ValueDecl.qll d3b9c241fd6cb1ce8274435c0242775c28c08f6a47caae01ad1ecd38897b2cd5 bc81291b1394b47972d7b75b6a767ed847f881932a7d9345d28d161a55b66bd1
 lib/codeql/swift/generated/decl/VarDecl.qll 8978a73fa2d7a9f952b68a2638788eda857e62502311a33fa6de1dad49a6cb1c b8b6c8cf6773056c3a90494754b0a257dcae494c03d933f138ece7f531fb9158
@@ -1048,13 +1048,13 @@ test/extractor-tests/generated/Diagnostics/Diagnostics.ql c1f8be2c283e13c1a4dada
 test/extractor-tests/generated/File/File.ql a1385ef2080e04e8757f61b8e1d0129df9f955edf03fbb3b83cc9cb5498b4e95 0364d8c7f108d01b2641f996efedab7084956307e875e6bc078ea677d04267e0
 test/extractor-tests/generated/KeyPathComponent/KeyPathComponent.ql 3fa617f8ed1b308d0c56f429ee8abe6d33ef60bf57d87f6dc89fdc8fe969a102 c2fa3153077dbe9e0fc608524dc03c82ff4ed460364d341ee6a817b0d75291c3
 test/extractor-tests/generated/decl/Accessor/Accessor.ql 3d4301ec9ec6284b547f8cccf94c3077f0baf70778f458bc21bebc5de55c86e5 2f263e79ecd1ac8da56c17caff400fd3c40d83b6aa3d501830f1d2eeb48a57cd
-test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.ql 55a78a6b96a17532178a39bd39aa4df23295f98019bb00de041ba15dfd4f84d9 51dbcd86203d5d031d748f77943a81c2c50de4ff559af20a4a1a682a19978d4f
+test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.ql b7ad6073733906adbffae03a0a227beea7b5ddeb46e31c81fa9c98d6688abd5c b9b9b01e358d37a154bd3e4d7e59765c5c0ef36cc1a3110718ec9d35946d1ab6
 test/extractor-tests/generated/decl/CapturedDecl/CapturedDecl.ql fd62be6c38d39f371c20e8c2f233e37a9da5aa234588920634f5db67e8beb3bd d51d35d4fd6a21cd596e064e0221d0c86e36312412a9bd4e64f431c123f3019a
-test/extractor-tests/generated/decl/ClassDecl/ClassDecl.ql d5fa7f68307e2e3e7ad060a125bda148e4a28f6acbef08a1a975bbf9ba947641 46d1e4f801414f1c869601dc706e41393e5fcd399e51da593c1e58737f6ff427
+test/extractor-tests/generated/decl/ClassDecl/ClassDecl.ql 28e453c11069b0266d950da1f32361863d10d870de0f6d11512a0bb686af2ec1 2524ee149a48902346b81bfac6f50c832f83680aed4a850e8ea15504253865be
 test/extractor-tests/generated/decl/ConcreteVarDecl/ConcreteVarDecl.ql 936ac4aa52a55bd5bb4c75c117fffcc00208b9f502ff7ee05acbaad7d48a52fb d80346fe34d40910f5ecdb33d7266b6e4d1ec79f8d767c7da5e2ab780f201457
 test/extractor-tests/generated/decl/Deinitializer/MISSING_SOURCE.txt 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d
 test/extractor-tests/generated/decl/EnumDecl/EnumCaseDecl.ql 7436bb7dfaa471f5a21ea2e3faba97d61bf53f930720999abdcc6745a65f0a1a 0241b2bb07c17136f6099185f65ea1266cd912296dfe481dce30eb9e3d1dd23f
-test/extractor-tests/generated/decl/EnumDecl/EnumDecl.ql 47f20279f49388a4850df4f5ee61634e30beed58567eff891688c09942862ec2 8e11af1ceb07cab9738ffb25ac877ced712d1883a6514de5e8895cd1809a7bd8
+test/extractor-tests/generated/decl/EnumDecl/EnumDecl.ql 329c3f6255ef3ed5441110291d40c4e409ad520d92504d8778aadf21e1359a27 ebda0c8f81c6c8383c8ecb68be66a14cc351a9b5f21d44f9a815ff8e149d74b8
 test/extractor-tests/generated/decl/EnumDecl/EnumElementDecl.ql 16caf5b014dea42a36b23eee6932c0818d94b1416e151ce46ba06a1fd2fb73ba cac704575b50613c8f8f297ce37c6d09ef943c94df4289643a4496103ac8388e
 test/extractor-tests/generated/decl/ExtensionDecl/ExtensionDecl.ql 04529ad447b7b0c529a54b0e0d009183c00cb1dcd7eb16378a7c4c7bc86bca4d 86379270a15fa014dc127607b720bb4d39b24b70d1c0f72ef8563c4144423ced
 test/extractor-tests/generated/decl/GenericTypeParamDecl/MISSING_SOURCE.txt 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d
@@ -1064,9 +1064,9 @@ test/extractor-tests/generated/decl/InfixOperatorDecl/MISSING_SOURCE.txt 35fb32e
 test/extractor-tests/generated/decl/Initializer/MISSING_SOURCE.txt 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d
 test/extractor-tests/generated/decl/MacroDecl/MacroDecl.ql 61f092d4ed5972283b3eb0eeec81c8f299496dc548a98dca56a1aadaf8248d1d b9cd637cb0f6f34d8d0a4473f2c212a0534d49891d55593758bb03f8d225f32a
 test/extractor-tests/generated/decl/MacroDecl/MacroRole.ql 7ab0dc211663c1b09a54ccbee7d6be94ffa45f420b383d2e2f22b7ccfb8d7a48 92296b89fccf6aebe877e67796885bedd809ebb470f23f48f98b27c2922c4ba2
-test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.ql 63a41a3b393b29d19752379fe29f26fe649dad2927836e24832e07c503d092a6 927fa4056a5d7c65803f7baa1216e6bef9b3b6a223c4a2bb50f2a6a31580db6a
+test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.ql 814ec8b4d9947ff8a49e1c4726015d8a0a35b22851dd50eb516f7c91994481e8 d01548746991d765b8c508c88cfe5ff2e39b499dd177abafcd94e226e0efa016
 test/extractor-tests/generated/decl/NamedFunction/NamedFunction.ql c6be4c1314ffed2a8a91af2e08ea14ce721195ec993d18ebd4d7b90f4a60dac3 767fc36b64291ab7ecccd63bf74856983830267c992d1347236da314fca73d57
-test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.ql 85b041e1f791b40ff3d3c58c79e017cebf9ef535ea3d576984b7c093f25aa95b 9fcf314b02ac95fbd2c0e5fc95dc48c16522c74def57f5647dd5ad7e80f7c2c1
+test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.ql d764ddd50ee6faff51bee3a00349d660c32fd5548c7bda3a19866925688e96b0 e6534ba21371aef4d99a6206187d69cda77cd613606d7cb297192f21532fdcab
 test/extractor-tests/generated/decl/ParamDecl/ParamDecl.ql cc9d89731f7a5ecc2267923268e2d8046aa3f0eb9556c6a12e53b541347f45a4 6d06279172ff2c04be0f39293a2e9a9de5e41ff1efffd41a67d5a921e1afe9ea
 test/extractor-tests/generated/decl/PatternBindingDecl/MISSING_SOURCE.txt 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d
 test/extractor-tests/generated/decl/PostfixOperatorDecl/MISSING_SOURCE.txt 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d 35fb32ea5393152eb7a875b20b4e3e4b8c7a997a8959c32417140d57a16a052d
diff --git a/swift/ql/lib/codeql/swift/generated/Raw.qll b/swift/ql/lib/codeql/swift/generated/Raw.qll
index 3e0fa95a327a..71858b8854cd 100644
--- a/swift/ql/lib/codeql/swift/generated/Raw.qll
+++ b/swift/ql/lib/codeql/swift/generated/Raw.qll
@@ -1008,7 +1008,7 @@ module Raw {
     /**
      * Gets the name of this type declaration.
      */
-    string getName() { type_decls(this, result) }
+    string getName() { type_decls(this, result, _) }
 
     /**
      * Gets the `index`th inherited type of this type declaration (0-based).
@@ -1024,6 +1024,11 @@ module Raw {
     int getNumberOfInheritedTypes() {
       result = count(int i | type_decl_inherited_types(this, i, _))
     }
+
+    /**
+     * Gets the declared interface type of this type declaration.
+     */
+    Type getDeclaredInterfaceType() { type_decls(this, _, result) }
   }
 
   /**
diff --git a/swift/ql/lib/codeql/swift/generated/decl/TypeDecl.qll b/swift/ql/lib/codeql/swift/generated/decl/TypeDecl.qll
index c1cb0c15f73c..f77355da6323 100644
--- a/swift/ql/lib/codeql/swift/generated/decl/TypeDecl.qll
+++ b/swift/ql/lib/codeql/swift/generated/decl/TypeDecl.qll
@@ -61,5 +61,28 @@ module Generated {
     final int getNumberOfInheritedTypes() {
       result = count(int i | exists(this.getInheritedType(i)))
     }
+
+    /**
+     * Gets the declared interface type of this type declaration.
+     *
+     * 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.
+     */
+    Type getImmediateDeclaredInterfaceType() {
+      result =
+        Synth::convertTypeFromRaw(Synth::convertTypeDeclToRaw(this)
+              .(Raw::TypeDecl)
+              .getDeclaredInterfaceType())
+    }
+
+    /**
+     * Gets the declared interface type of this type declaration.
+     */
+    final Type getDeclaredInterfaceType() {
+      exists(Type immediate |
+        immediate = this.getImmediateDeclaredInterfaceType() and
+        result = immediate.resolve()
+      )
+    }
   }
 }
diff --git a/swift/ql/lib/swift.dbscheme b/swift/ql/lib/swift.dbscheme
index 5738be6bb047..1bb163e31d20 100644
--- a/swift/ql/lib/swift.dbscheme
+++ b/swift/ql/lib/swift.dbscheme
@@ -530,7 +530,8 @@ prefix_operator_decls(  //dir=decl
 #keyset[id]
 type_decls(  //dir=decl
   int id: @type_decl ref,
-  string name: string ref
+  string name: string ref,
+  int declared_interface_type: @type_or_none ref
 );
 
 #keyset[id, index]
diff --git a/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/old.dbscheme b/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/old.dbscheme
new file mode 100644
index 000000000000..5738be6bb047
--- /dev/null
+++ b/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/old.dbscheme
@@ -0,0 +1,2891 @@
+// generated by codegen/codegen.py, do not edit
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element 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
+| @callable
+| @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_specs(
+  unique int id: @availability_spec
+);
+
+#keyset[id]
+availability_spec_platforms(
+  int id: @availability_spec ref,
+  string platform: string ref
+);
+
+#keyset[id]
+availability_spec_versions(
+  int id: @availability_spec ref,
+  string version: string ref
+);
+
+#keyset[id]
+availability_spec_is_wildcard(
+  int id: @availability_spec 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
+);
+
+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: @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
+);
+
+@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
+| @using_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
+);
+
+using_decls(  //dir=decl
+  unique int id: @using_decl
+);
+
+#keyset[id]
+using_decl_is_main_actor(  //dir=decl
+  int id: @using_decl ref
+);
+
+#keyset[id]
+using_decl_is_nonisolated(  //dir=decl
+  int id: @using_decl 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
+);
+
+#keyset[id]
+accessor_is_distributed_get(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read2(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify2(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_init(  //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
+| @current_context_isolation_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
+| @extract_function_isolation_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
+| @materialize_pack_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
+| @type_value_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
+);
+
+current_context_isolation_exprs(  //dir=expr
+  unique int id: @current_context_isolation_expr,
+  int actor: @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
+);
+
+extract_function_isolation_exprs(  //dir=expr
+  unique int id: @extract_function_isolation_expr,
+  int function_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
+| @unsafe_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
+| @actor_isolation_erasure_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
+| @unreachable_expr
+| @unresolved_type_conversion_expr
+| @unsafe_cast_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
+);
+
+materialize_pack_exprs(  //dir=expr
+  unique int id: @materialize_pack_expr,
+  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
+);
+
+type_value_exprs(  //dir=expr
+  unique int id: @type_value_expr,
+  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
+);
+
+actor_isolation_erasure_exprs(  //dir=expr
+  unique int id: @actor_isolation_erasure_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
+);
+
+unreachable_exprs(  //dir=expr
+  unique int id: @unreachable_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
+);
+
+unsafe_cast_exprs(  //dir=expr
+  unique int id: @unsafe_cast_expr
+);
+
+unsafe_exprs(  //dir=expr
+  unique int id: @unsafe_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
+;
+
+#keyset[id]
+pattern_types(  //dir=pattern
+  int id: @pattern ref,
+  int type_: @type_or_none ref
+);
+
+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
+| @discard_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @then_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
+);
+
+discard_stmts(  //dir=stmt
+  unique int id: @discard_stmt,
+  int sub_expr: @expr_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
+);
+
+then_stmts(  //dir=stmt
+  unique int id: @then_stmt,
+  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, index]
+for_each_stmt_variables(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_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
+| @integer_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_generic_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
+);
+
+integer_types(  //dir=type
+  unique int id: @integer_type,
+  string value: string 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_generic_type =
+  @builtin_fixed_array_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
+| @inline_array_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_fixed_array_types(  //dir=type
+  unique int id: @builtin_fixed_array_type,
+  int size: @type_or_none ref,
+  int element_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
+);
+
+inline_array_types(  //dir=type
+  unique int id: @inline_array_type,
+  int count_type: @type_or_none ref,
+  int element_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @existential_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
+);
+
+existential_archetype_types(  //dir=type
+  unique int id: @existential_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_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/5738be6bb04742c424efdbf9f4de11f0b10fa37d/swift.dbscheme b/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/swift.dbscheme
new file mode 100644
index 000000000000..1bb163e31d20
--- /dev/null
+++ b/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/swift.dbscheme
@@ -0,0 +1,2892 @@
+// generated by codegen/codegen.py, do not edit
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element 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
+| @callable
+| @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_specs(
+  unique int id: @availability_spec
+);
+
+#keyset[id]
+availability_spec_platforms(
+  int id: @availability_spec ref,
+  string platform: string ref
+);
+
+#keyset[id]
+availability_spec_versions(
+  int id: @availability_spec ref,
+  string version: string ref
+);
+
+#keyset[id]
+availability_spec_is_wildcard(
+  int id: @availability_spec 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
+);
+
+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: @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
+);
+
+@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
+| @using_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
+);
+
+using_decls(  //dir=decl
+  unique int id: @using_decl
+);
+
+#keyset[id]
+using_decl_is_main_actor(  //dir=decl
+  int id: @using_decl ref
+);
+
+#keyset[id]
+using_decl_is_nonisolated(  //dir=decl
+  int id: @using_decl 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,
+  int declared_interface_type: @type_or_none 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
+);
+
+#keyset[id]
+accessor_is_distributed_get(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read2(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify2(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_init(  //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
+| @current_context_isolation_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
+| @extract_function_isolation_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
+| @materialize_pack_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
+| @type_value_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
+);
+
+current_context_isolation_exprs(  //dir=expr
+  unique int id: @current_context_isolation_expr,
+  int actor: @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
+);
+
+extract_function_isolation_exprs(  //dir=expr
+  unique int id: @extract_function_isolation_expr,
+  int function_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
+| @unsafe_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
+| @actor_isolation_erasure_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
+| @unreachable_expr
+| @unresolved_type_conversion_expr
+| @unsafe_cast_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
+);
+
+materialize_pack_exprs(  //dir=expr
+  unique int id: @materialize_pack_expr,
+  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
+);
+
+type_value_exprs(  //dir=expr
+  unique int id: @type_value_expr,
+  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
+);
+
+actor_isolation_erasure_exprs(  //dir=expr
+  unique int id: @actor_isolation_erasure_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
+);
+
+unreachable_exprs(  //dir=expr
+  unique int id: @unreachable_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
+);
+
+unsafe_cast_exprs(  //dir=expr
+  unique int id: @unsafe_cast_expr
+);
+
+unsafe_exprs(  //dir=expr
+  unique int id: @unsafe_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
+;
+
+#keyset[id]
+pattern_types(  //dir=pattern
+  int id: @pattern ref,
+  int type_: @type_or_none ref
+);
+
+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
+| @discard_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @then_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
+);
+
+discard_stmts(  //dir=stmt
+  unique int id: @discard_stmt,
+  int sub_expr: @expr_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
+);
+
+then_stmts(  //dir=stmt
+  unique int id: @then_stmt,
+  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, index]
+for_each_stmt_variables(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_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
+| @integer_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_generic_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
+);
+
+integer_types(  //dir=type
+  unique int id: @integer_type,
+  string value: string 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_generic_type =
+  @builtin_fixed_array_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
+| @inline_array_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_fixed_array_types(  //dir=type
+  unique int id: @builtin_fixed_array_type,
+  int size: @type_or_none ref,
+  int element_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
+);
+
+inline_array_types(  //dir=type
+  unique int id: @inline_array_type,
+  int count_type: @type_or_none ref,
+  int element_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @existential_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
+);
+
+existential_archetype_types(  //dir=type
+  unique int id: @existential_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_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/5738be6bb04742c424efdbf9f4de11f0b10fa37d/upgrade.properties b/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/upgrade.properties
new file mode 100644
index 000000000000..270852cf8512
--- /dev/null
+++ b/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/upgrade.properties
@@ -0,0 +1,4 @@
+description: Expose declared interface types
+compatibility: backwards
+type_decls.rel: run upgrade.ql new_type_decls
+unspecified_elements.rel: run upgrade.ql new_unspecified_elements
diff --git a/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/upgrade.ql b/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/upgrade.ql
new file mode 100644
index 000000000000..3ecfd00badbb
--- /dev/null
+++ b/swift/ql/lib/upgrades/5738be6bb04742c424efdbf9f4de11f0b10fa37d/upgrade.ql
@@ -0,0 +1,29 @@
+class TypeDecl extends @type_decl {
+  string toString() { none() }
+}
+
+newtype TAddedElement = TType(TypeDecl t)
+
+module Fresh = QlBuiltins::NewEntity<TAddedElement>;
+
+class TNewElement = @element or Fresh::EntityId;
+
+class NewElement extends TNewElement {
+  string toString() { none() }
+}
+
+query predicate new_type_decls(TypeDecl typeDecl, string name, NewElement elementType) {
+  type_decls(typeDecl, name) and
+  Fresh::map(TType(typeDecl)) = elementType
+}
+
+query predicate new_unspecified_elements(NewElement id, string property, string error) {
+  unspecified_elements(id, property, error)
+  or
+  exists(TypeDecl typeDecl | type_decls(typeDecl, _) |
+    id = Fresh::map(TType(typeDecl)) and
+    error =
+      "TypeDecl declared interface type missing after upgrade. Please update your CodeQL code." and
+    property = ""
+  )
+}
diff --git a/swift/ql/test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.expected b/swift/ql/test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.expected
index 9daa87b09ccd..474fb0ab2e6f 100644
--- a/swift/ql/test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.expected
+++ b/swift/ql/test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.expected
@@ -1,6 +1,6 @@
 instances
-| associated_type.swift:2:5:2:20 | Bar | getModule: | file://:0:0:0:0 | associated_type | getInterfaceType: | Self.Bar.Type | getName: | Bar |
-| associated_type.swift:3:5:3:25 | Baz | getModule: | file://:0:0:0:0 | associated_type | getInterfaceType: | Self.Baz.Type | getName: | Baz |
+| associated_type.swift:2:5:2:20 | Bar | getModule: | file://:0:0:0:0 | associated_type | getInterfaceType: | Self.Bar.Type | getName: | Bar | getDeclaredInterfaceType: | Self.Bar |
+| associated_type.swift:3:5:3:25 | Baz | getModule: | file://:0:0:0:0 | associated_type | getInterfaceType: | Self.Baz.Type | getName: | Baz | getDeclaredInterfaceType: | Self.Baz |
 getMember
 getInheritedType
 | associated_type.swift:3:5:3:25 | Baz | 0 | Equatable |
diff --git a/swift/ql/test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.ql b/swift/ql/test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.ql
index 41cc9d349a43..8788784b044d 100644
--- a/swift/ql/test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.ql
+++ b/swift/ql/test/extractor-tests/generated/decl/AssociatedTypeDecl/AssociatedTypeDecl.ql
@@ -4,7 +4,8 @@ import TestUtils
 
 query predicate instances(
   AssociatedTypeDecl x, string getModule__label, ModuleDecl getModule,
-  string getInterfaceType__label, Type getInterfaceType, string getName__label, string getName
+  string getInterfaceType__label, Type getInterfaceType, string getName__label, string getName,
+  string getDeclaredInterfaceType__label, Type getDeclaredInterfaceType
 ) {
   toBeTested(x) and
   not x.isUnknown() and
@@ -13,7 +14,9 @@ query predicate instances(
   getInterfaceType__label = "getInterfaceType:" and
   getInterfaceType = x.getInterfaceType() and
   getName__label = "getName:" and
-  getName = x.getName()
+  getName = x.getName() and
+  getDeclaredInterfaceType__label = "getDeclaredInterfaceType:" and
+  getDeclaredInterfaceType = x.getDeclaredInterfaceType()
 }
 
 query predicate getMember(AssociatedTypeDecl x, int index, Decl getMember) {
diff --git a/swift/ql/test/extractor-tests/generated/decl/ClassDecl/ClassDecl.expected b/swift/ql/test/extractor-tests/generated/decl/ClassDecl/ClassDecl.expected
index b15a1cc649df..a9054efb302b 100644
--- a/swift/ql/test/extractor-tests/generated/decl/ClassDecl/ClassDecl.expected
+++ b/swift/ql/test/extractor-tests/generated/decl/ClassDecl/ClassDecl.expected
@@ -1,7 +1,7 @@
 instances
-| class.swift:1:1:7:1 | Foo | getModule: | file://:0:0:0:0 | class | getInterfaceType: | Foo.Type | getName: | Foo | getType: | Foo |
-| class.swift:11:1:14:1 | Generic | getModule: | file://:0:0:0:0 | class | getInterfaceType: | Generic<X, Y>.Type | getName: | Generic | getType: | Generic |
-| class.swift:16:1:17:1 | Baz | getModule: | file://:0:0:0:0 | class | getInterfaceType: | Baz.Type | getName: | Baz | getType: | Baz |
+| class.swift:1:1:7:1 | Foo | getModule: | file://:0:0:0:0 | class | getInterfaceType: | Foo.Type | getName: | Foo | getDeclaredInterfaceType: | Foo | getType: | Foo |
+| class.swift:11:1:14:1 | Generic | getModule: | file://:0:0:0:0 | class | getInterfaceType: | Generic<X, Y>.Type | getName: | Generic | getDeclaredInterfaceType: | Generic<X, Y> | getType: | Generic |
+| class.swift:16:1:17:1 | Baz | getModule: | file://:0:0:0:0 | class | getInterfaceType: | Baz.Type | getName: | Baz | getDeclaredInterfaceType: | Baz | getType: | Baz |
 getGenericTypeParam
 | class.swift:11:1:14:1 | Generic | 0 | class.swift:11:15:11:15 | X |
 | class.swift:11:1:14:1 | Generic | 1 | class.swift:11:18:11:18 | Y |
diff --git a/swift/ql/test/extractor-tests/generated/decl/ClassDecl/ClassDecl.ql b/swift/ql/test/extractor-tests/generated/decl/ClassDecl/ClassDecl.ql
index e32a98ca2bc0..620a77295d9f 100644
--- a/swift/ql/test/extractor-tests/generated/decl/ClassDecl/ClassDecl.ql
+++ b/swift/ql/test/extractor-tests/generated/decl/ClassDecl/ClassDecl.ql
@@ -4,7 +4,9 @@ import TestUtils
 
 query predicate instances(
   ClassDecl x, string getModule__label, ModuleDecl getModule, string getInterfaceType__label,
-  Type getInterfaceType, string getName__label, string getName, string getType__label, Type getType
+  Type getInterfaceType, string getName__label, string getName,
+  string getDeclaredInterfaceType__label, Type getDeclaredInterfaceType, string getType__label,
+  Type getType
 ) {
   toBeTested(x) and
   not x.isUnknown() and
@@ -14,6 +16,8 @@ query predicate instances(
   getInterfaceType = x.getInterfaceType() and
   getName__label = "getName:" and
   getName = x.getName() and
+  getDeclaredInterfaceType__label = "getDeclaredInterfaceType:" and
+  getDeclaredInterfaceType = x.getDeclaredInterfaceType() and
   getType__label = "getType:" and
   getType = x.getType()
 }
diff --git a/swift/ql/test/extractor-tests/generated/decl/EnumDecl/EnumDecl.expected b/swift/ql/test/extractor-tests/generated/decl/EnumDecl/EnumDecl.expected
index 06c1789b3bcc..2b71460a07c5 100644
--- a/swift/ql/test/extractor-tests/generated/decl/EnumDecl/EnumDecl.expected
+++ b/swift/ql/test/extractor-tests/generated/decl/EnumDecl/EnumDecl.expected
@@ -1,9 +1,9 @@
 instances
-| enums.swift:1:1:4:1 | EnumValues | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | EnumValues.Type | getName: | EnumValues | getType: | EnumValues |
-| enums.swift:7:1:10:1 | EnumValuesWithBase | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | EnumValuesWithBase.Type | getName: | EnumValuesWithBase | getType: | EnumValuesWithBase |
-| enums.swift:12:1:16:1 | EnumWithParams | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | EnumWithParams.Type | getName: | EnumWithParams | getType: | EnumWithParams |
-| enums.swift:18:1:21:1 | GenericEnum | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | GenericEnum<T>.Type | getName: | GenericEnum | getType: | GenericEnum |
-| enums.swift:23:1:27:1 | EnumWithNamedParams | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | EnumWithNamedParams.Type | getName: | EnumWithNamedParams | getType: | EnumWithNamedParams |
+| enums.swift:1:1:4:1 | EnumValues | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | EnumValues.Type | getName: | EnumValues | getDeclaredInterfaceType: | EnumValues | getType: | EnumValues |
+| enums.swift:7:1:10:1 | EnumValuesWithBase | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | EnumValuesWithBase.Type | getName: | EnumValuesWithBase | getDeclaredInterfaceType: | EnumValuesWithBase | getType: | EnumValuesWithBase |
+| enums.swift:12:1:16:1 | EnumWithParams | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | EnumWithParams.Type | getName: | EnumWithParams | getDeclaredInterfaceType: | EnumWithParams | getType: | EnumWithParams |
+| enums.swift:18:1:21:1 | GenericEnum | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | GenericEnum<T>.Type | getName: | GenericEnum | getDeclaredInterfaceType: | GenericEnum<T> | getType: | GenericEnum |
+| enums.swift:23:1:27:1 | EnumWithNamedParams | getModule: | file://:0:0:0:0 | enums | getInterfaceType: | EnumWithNamedParams.Type | getName: | EnumWithNamedParams | getDeclaredInterfaceType: | EnumWithNamedParams | getType: | EnumWithNamedParams |
 getGenericTypeParam
 | enums.swift:18:1:21:1 | GenericEnum | 0 | enums.swift:18:18:18:18 | T |
 getMember
diff --git a/swift/ql/test/extractor-tests/generated/decl/EnumDecl/EnumDecl.ql b/swift/ql/test/extractor-tests/generated/decl/EnumDecl/EnumDecl.ql
index dabf9078cea0..f5d9540c0f76 100644
--- a/swift/ql/test/extractor-tests/generated/decl/EnumDecl/EnumDecl.ql
+++ b/swift/ql/test/extractor-tests/generated/decl/EnumDecl/EnumDecl.ql
@@ -4,7 +4,9 @@ import TestUtils
 
 query predicate instances(
   EnumDecl x, string getModule__label, ModuleDecl getModule, string getInterfaceType__label,
-  Type getInterfaceType, string getName__label, string getName, string getType__label, Type getType
+  Type getInterfaceType, string getName__label, string getName,
+  string getDeclaredInterfaceType__label, Type getDeclaredInterfaceType, string getType__label,
+  Type getType
 ) {
   toBeTested(x) and
   not x.isUnknown() and
@@ -14,6 +16,8 @@ query predicate instances(
   getInterfaceType = x.getInterfaceType() and
   getName__label = "getName:" and
   getName = x.getName() and
+  getDeclaredInterfaceType__label = "getDeclaredInterfaceType:" and
+  getDeclaredInterfaceType = x.getDeclaredInterfaceType() and
   getType__label = "getType:" and
   getType = x.getType()
 }
diff --git a/swift/ql/test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.expected b/swift/ql/test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.expected
index 42d051d0a4ff..3c06d59b026b 100644
--- a/swift/ql/test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.expected
+++ b/swift/ql/test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.expected
@@ -1,7 +1,7 @@
 instances
-| file://:0:0:0:0 | Foo | getModule: | file://:0:0:0:0 | Foo | getInterfaceType: | module<Foo> | getName: | Foo | isBuiltinModule: | no | isSystemModule: | no |
-| file://:0:0:0:0 | __ObjC | getModule: | file://:0:0:0:0 | __ObjC | getInterfaceType: | module<__ObjC> | getName: | __ObjC | isBuiltinModule: | no | isSystemModule: | no |
-| file://:0:0:0:0 | default_module_name | getModule: | file://:0:0:0:0 | default_module_name | getInterfaceType: | module<default_module_name> | getName: | default_module_name | isBuiltinModule: | no | isSystemModule: | no |
+| file://:0:0:0:0 | Foo | getModule: | file://:0:0:0:0 | Foo | getInterfaceType: | module<Foo> | getName: | Foo | getDeclaredInterfaceType: | module<Foo> | isBuiltinModule: | no | isSystemModule: | no |
+| file://:0:0:0:0 | __ObjC | getModule: | file://:0:0:0:0 | __ObjC | getInterfaceType: | module<__ObjC> | getName: | __ObjC | getDeclaredInterfaceType: | module<__ObjC> | isBuiltinModule: | no | isSystemModule: | no |
+| file://:0:0:0:0 | default_module_name | getModule: | file://:0:0:0:0 | default_module_name | getInterfaceType: | module<default_module_name> | getName: | default_module_name | getDeclaredInterfaceType: | module<default_module_name> | isBuiltinModule: | no | isSystemModule: | no |
 getMember
 getInheritedType
 getAnImportedModule
diff --git a/swift/ql/test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.ql b/swift/ql/test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.ql
index 911474839d40..89d5438e07cd 100644
--- a/swift/ql/test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.ql
+++ b/swift/ql/test/extractor-tests/generated/decl/ModuleDecl/ModuleDecl.ql
@@ -4,8 +4,10 @@ import TestUtils
 
 query predicate instances(
   ModuleDecl x, string getModule__label, ModuleDecl getModule, string getInterfaceType__label,
-  Type getInterfaceType, string getName__label, string getName, string isBuiltinModule__label,
-  string isBuiltinModule, string isSystemModule__label, string isSystemModule
+  Type getInterfaceType, string getName__label, string getName,
+  string getDeclaredInterfaceType__label, Type getDeclaredInterfaceType,
+  string isBuiltinModule__label, string isBuiltinModule, string isSystemModule__label,
+  string isSystemModule
 ) {
   toBeTested(x) and
   not x.isUnknown() and
@@ -15,6 +17,8 @@ query predicate instances(
   getInterfaceType = x.getInterfaceType() and
   getName__label = "getName:" and
   getName = x.getName() and
+  getDeclaredInterfaceType__label = "getDeclaredInterfaceType:" and
+  getDeclaredInterfaceType = x.getDeclaredInterfaceType() and
   isBuiltinModule__label = "isBuiltinModule:" and
   (if x.isBuiltinModule() then isBuiltinModule = "yes" else isBuiltinModule = "no") and
   isSystemModule__label = "isSystemModule:" and
diff --git a/swift/ql/test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.expected b/swift/ql/test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.expected
index 8a5d39063f54..846aeea5bae7 100644
--- a/swift/ql/test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.expected
+++ b/swift/ql/test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.expected
@@ -1,8 +1,8 @@
 instances
-| file://:0:0:0:0 | _ | getModule: | file://:0:0:0:0 | opaque_types | getInterfaceType: | (some Base).Type | getName: | _ | getNamingDeclaration: | opaque_types.swift:9:1:9:51 | baz(_:) |
-| file://:0:0:0:0 | _ | getModule: | file://:0:0:0:0 | opaque_types | getInterfaceType: | (some P).Type | getName: | _ | getNamingDeclaration: | opaque_types.swift:5:1:5:45 | bar(_:) |
-| file://:0:0:0:0 | _ | getModule: | file://:0:0:0:0 | opaque_types | getInterfaceType: | (some P).Type | getName: | _ | getNamingDeclaration: | opaque_types.swift:13:1:13:59 | bazz() |
-| file://:0:0:0:0 | _ | getModule: | file://:0:0:0:0 | opaque_types | getInterfaceType: | (some SignedInteger).Type | getName: | _ | getNamingDeclaration: | opaque_types.swift:1:1:1:45 | foo() |
+| file://:0:0:0:0 | _ | getModule: | file://:0:0:0:0 | opaque_types | getInterfaceType: | (some Base).Type | getName: | _ | getDeclaredInterfaceType: | some Base | getNamingDeclaration: | opaque_types.swift:9:1:9:51 | baz(_:) |
+| file://:0:0:0:0 | _ | getModule: | file://:0:0:0:0 | opaque_types | getInterfaceType: | (some P).Type | getName: | _ | getDeclaredInterfaceType: | some P | getNamingDeclaration: | opaque_types.swift:5:1:5:45 | bar(_:) |
+| file://:0:0:0:0 | _ | getModule: | file://:0:0:0:0 | opaque_types | getInterfaceType: | (some P).Type | getName: | _ | getDeclaredInterfaceType: | some P | getNamingDeclaration: | opaque_types.swift:13:1:13:59 | bazz() |
+| file://:0:0:0:0 | _ | getModule: | file://:0:0:0:0 | opaque_types | getInterfaceType: | (some SignedInteger).Type | getName: | _ | getDeclaredInterfaceType: | some SignedInteger | getNamingDeclaration: | opaque_types.swift:1:1:1:45 | foo() |
 getGenericTypeParam
 getMember
 getInheritedType
diff --git a/swift/ql/test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.ql b/swift/ql/test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.ql
index 64b9149c1d00..aa34537f7ae8 100644
--- a/swift/ql/test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.ql
+++ b/swift/ql/test/extractor-tests/generated/decl/OpaqueTypeDecl/OpaqueTypeDecl.ql
@@ -4,8 +4,9 @@ import TestUtils
 
 query predicate instances(
   OpaqueTypeDecl x, string getModule__label, ModuleDecl getModule, string getInterfaceType__label,
-  Type getInterfaceType, string getName__label, string getName, string getNamingDeclaration__label,
-  ValueDecl getNamingDeclaration
+  Type getInterfaceType, string getName__label, string getName,
+  string getDeclaredInterfaceType__label, Type getDeclaredInterfaceType,
+  string getNamingDeclaration__label, ValueDecl getNamingDeclaration
 ) {
   toBeTested(x) and
   not x.isUnknown() and
@@ -15,6 +16,8 @@ query predicate instances(
   getInterfaceType = x.getInterfaceType() and
   getName__label = "getName:" and
   getName = x.getName() and
+  getDeclaredInterfaceType__label = "getDeclaredInterfaceType:" and
+  getDeclaredInterfaceType = x.getDeclaredInterfaceType() and
   getNamingDeclaration__label = "getNamingDeclaration:" and
   getNamingDeclaration = x.getNamingDeclaration()
 }
diff --git a/swift/schema.py b/swift/schema.py
index febbf1ae2f47..31be5ee7d24c 100644
--- a/swift/schema.py
+++ b/swift/schema.py
@@ -278,6 +278,7 @@ class TypeDecl(ValueDecl):
         This only returns the types effectively appearing in the declaration. In particular it
         will not resolve `TypeAliasDecl`s or consider base types added by extensions.
     """)
+    declared_interface_type: Type
 
 class AbstractTypeParamDecl(TypeDecl):
     pass

From 73a210a442853ddaa79031c3502ea0b89d703ac3 Mon Sep 17 00:00:00 2001
From: Jeroen Ketema <jketema@github.com>
Date: Mon, 11 May 2026 17:24:09 +0200
Subject: [PATCH 2/2] Swift: Add change note

---
 .../ql/lib/change-notes/2026-05-11-declared-interface-type.md | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 swift/ql/lib/change-notes/2026-05-11-declared-interface-type.md

diff --git a/swift/ql/lib/change-notes/2026-05-11-declared-interface-type.md b/swift/ql/lib/change-notes/2026-05-11-declared-interface-type.md
new file mode 100644
index 000000000000..c62130ee099a
--- /dev/null
+++ b/swift/ql/lib/change-notes/2026-05-11-declared-interface-type.md
@@ -0,0 +1,4 @@
+---
+category: feature
+---
+* The `TypeDecl` class now defines a `getDeclaredInterfaceType` predicate, which yields the declared interface type of the type declaration.