#ifndef THIRD_PARTY_CEL_CPP_EVAL_EVAL_CONST_VALUE_STEP_H_

#define THIRD_PARTY_CEL_CPP_EVAL_EVAL_CONST_VALUE_STEP_H_

#include "eval/eval/evaluator_core.h"

#include "eval/public/activation.h"

#include "eval/public/cel_value.h"

namespace google {

namespace api {

namespace expr {

namespace runtime {

absl::optional<CelValue> ConvertConstant(

const google::api::expr::v1alpha1::Constant* const_expr);

// Factory method for Constant - based Execution step

absl::StatusOr<std::unique_ptr<ExpressionStep>> CreateConstValueStep(

CelValue value, int64_t expr_id, bool comes_from_ast = true);

// Factory method for Constant(Enum value) - based Execution step

absl::StatusOr<std::unique_ptr<ExpressionStep>> CreateConstValueStep(

const google::protobuf::EnumValueDescriptor* value_descriptor, int64_t expr_id);

} // namespace runtime

} // namespace expr

} // namespace api

} // namespace google

#endif // THIRD_PARTY_CEL_CPP_EVAL_EVAL_CONST_VALUE_STEP_H_