/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/

#ifndef TENSORFLOW_C_EXPERIMENTAL_SAVED_MODEL_PUBLIC_SIGNATURE_DEF_FUNCTION_METADATA_H_
#define TENSORFLOW_C_EXPERIMENTAL_SAVED_MODEL_PUBLIC_SIGNATURE_DEF_FUNCTION_METADATA_H_

#include "tensorflow/c/c_api_macros.h"
#include "tensorflow/c/experimental/saved_model/public/signature_def_param_list.h"

#ifdef __cplusplus
extern "C" {
#endif  // __cplusplus

// An opaque type that corresponds to a SignatureDefFunction loaded from a
// SavedModel.
typedef struct TF_SignatureDefFunctionMetadata TF_SignatureDefFunctionMetadata;

// Retrieves the arguments of the SignatureDefFunction. The caller is not
// responsible for freeing the returned pointer.
TF_CAPI_EXPORT extern const TF_SignatureDefParamList*
TF_SignatureDefFunctionMetadataArgs(
    const TF_SignatureDefFunctionMetadata* list);

// Retrieves the returns of the SignatureDefFunction. The caller is not
// responsible for freeing the returned pointer.
TF_CAPI_EXPORT extern const TF_SignatureDefParamList*
TF_SignatureDefFunctionMetadataReturns(
    const TF_SignatureDefFunctionMetadata* list);

#ifdef __cplusplus
}  // end extern "C"
#endif  // __cplusplus

#endif  // TENSORFLOW_C_EXPERIMENTAL_SAVED_MODEL_PUBLIC_SIGNATURE_DEF_FUNCTION_METADATA_H_
