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 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
 // Do not include this file directly. Please include "onnxruntime_cxx_api.h" instead.
 // If interested in trying out features of the new experimental C++ API, include "experimental_onnxruntime_cxx_api.h" instead.
 //
 // These are the inline implementations of the C++ header APIs. They're in this separate file as to not clutter
 // the main C++ file with implementation details.
 
 #include <algorithm>
 #include <functional>
 #include <iterator>
 #include <type_traits>
 
 // Convert OrtStatus to Ort::Status and return
 // instead of throwing
 #define ORT_CXX_RETURN_ON_API_FAIL(expression) \
   {                                            \
     auto ort_status = (expression);            \
     if (ort_status) {                          \
       return Ort::Status(ort_status);          \
     }                                          \
   }
 
 #ifdef __cpp_if_constexpr
 #define ORT_CXX_IF_CONSTEXPR if constexpr
 #else
 #define ORT_CXX_IF_CONSTEXPR if
 #endif
 
 namespace Ort {
 
 namespace detail {
 inline void ThrowStatus(const Status& st) {
   std::string error_message = st.GetErrorMessage();
   OrtErrorCode error_code = st.GetErrorCode();
   ORT_CXX_API_THROW(std::move(error_message), error_code);
 }
 }  // namespace detail
 
 inline void ThrowOnError(OrtStatus* ort_status) {
   if (ort_status) {
     Ort::Status st(ort_status);
     detail::ThrowStatus(st);
   }
 }
 
 inline void ThrowOnError(const Status& st) {
   if (st) {
     detail::ThrowStatus(st);
   }
 }
 
 inline Status::Status(OrtStatus* status) noexcept : Base<OrtStatus>{status} {
 }
 
 inline Status::Status(const std::exception& e) noexcept {
   p_ = GetApi().CreateStatus(ORT_FAIL, e.what());
 }
 
 inline Status::Status(const Exception& e) noexcept {
   p_ = GetApi().CreateStatus(e.GetOrtErrorCode(), e.what());
 }
 
 inline Status::Status(const char* message, OrtErrorCode code) noexcept {
   p_ = GetApi().CreateStatus(code, message);
 }
 
 inline std::string Status::GetErrorMessage() const {
   std::string message(GetApi().GetErrorMessage(p_));
   return message;
 }
 
 inline OrtErrorCode Status::GetErrorCode() const {
   return GetApi().GetErrorCode(p_);
 }
 
 inline bool Status::IsOK() const noexcept {
   return (p_ == nullptr);
 }
 
 // This template converts a C++ type into it's ONNXTensorElementDataType
 template <typename T>
 struct TypeToTensorType;
 template <>
 struct TypeToTensorType<float> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT;
 };
 template <>
 struct TypeToTensorType<Float16_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT16;
 };
 template <>
 struct TypeToTensorType<BFloat16_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_BFLOAT16;
 };
 template <>
 struct TypeToTensorType<double> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_DOUBLE;
 };
 template <>
 struct TypeToTensorType<int8_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_INT8;
 };
 template <>
 struct TypeToTensorType<int16_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_INT16;
 };
 template <>
 struct TypeToTensorType<int32_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_INT32;
 };
 template <>
 struct TypeToTensorType<int64_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_INT64;
 };
 template <>
 struct TypeToTensorType<uint8_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT8;
 };
 template <>
 struct TypeToTensorType<uint16_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT16;
 };
 template <>
 struct TypeToTensorType<uint32_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT32;
 };
 template <>
 struct TypeToTensorType<uint64_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT64;
 };
 template <>
 struct TypeToTensorType<bool> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_BOOL;
 };
 
 template <>
 struct TypeToTensorType<Float8E4M3FN_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT8E4M3FN;
 };
 template <>
 struct TypeToTensorType<Float8E4M3FNUZ_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT8E4M3FNUZ;
 };
 template <>
 struct TypeToTensorType<Float8E5M2_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT8E5M2;
 };
 template <>
 struct TypeToTensorType<Float8E5M2FNUZ_t> {
   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT8E5M2FNUZ;
 };
 
 inline bool BFloat16_t::operator==(const BFloat16_t& rhs) const noexcept {
   if (IsNaN() || rhs.IsNaN()) {
     // IEEE defines that NaN is not equal to anything, including itself.
     return false;
   }
   return val == rhs.val;
 }
 
 inline bool BFloat16_t::operator<(const BFloat16_t& rhs) const noexcept {
   if (IsNaN() || rhs.IsNaN()) {
     // IEEE defines that NaN is unordered with respect to everything, including itself.
     return false;
   }
 
   const bool left_is_negative = IsNegative();
   if (left_is_negative != rhs.IsNegative()) {
     // When the signs of left and right differ, we know that left is less than right if it is
     // the negative value. The exception to this is if both values are zero, in which case IEEE
     // says they should be equal, even if the signs differ.
     return left_is_negative && !AreZero(*this, rhs);
   }
   return (val != rhs.val) && ((val < rhs.val) ^ left_is_negative);
 }
 
 inline MemoryAllocation::MemoryAllocation(OrtAllocator* allocator, void* p, size_t size)
     : allocator_(allocator), p_(p), size_(size) {
 }
 
 inline MemoryAllocation::~MemoryAllocation() {
   if (p_ != nullptr) {
     // We do not throw out of destructor
     auto ret = GetApi().AllocatorFree(allocator_, p_);
     static_cast<void>(ret);
   }
 }
 
 inline MemoryAllocation::MemoryAllocation(MemoryAllocation&& o) noexcept : allocator_(nullptr), p_(nullptr), size_(0) {
   *this = std::move(o);
 }
 
 inline MemoryAllocation& MemoryAllocation::operator=(MemoryAllocation&& o) noexcept {
   OrtAllocator* alloc = nullptr;
   void* p = nullptr;
   size_t sz = 0;
 
   // Swap out this
   std::swap(alloc, allocator_);
   std::swap(p, p_);
   std::swap(sz, size_);
 
   // Swap with incoming
   std::swap(allocator_, o.allocator_);
   std::swap(p_, o.p_);
   std::swap(size_, o.size_);
 
   // Destroy this instance if needed
   MemoryAllocation this_alloc(alloc, p, sz);
   return *this;
 }
 
 namespace detail {
 
 template <typename T>
 inline void* AllocatorImpl<T>::Alloc(size_t size) {
   void* out;
   ThrowOnError(GetApi().AllocatorAlloc(this->p_, size, &out));
   return out;
 }
 
 template <typename T>
 inline MemoryAllocation AllocatorImpl<T>::GetAllocation(size_t size) {
   void* out;
   ThrowOnError(GetApi().AllocatorAlloc(this->p_, size, &out));
   MemoryAllocation result(this->p_, out, size);
   return result;
 }
 
 template <typename T>
 inline void AllocatorImpl<T>::Free(void* p) {
   ThrowOnError(GetApi().AllocatorFree(this->p_, p));
 }
 
 template <typename T>
 inline ConstMemoryInfo AllocatorImpl<T>::GetInfo() const {
   const OrtMemoryInfo* out;
   ThrowOnError(GetApi().AllocatorGetInfo(this->p_, &out));
   return ConstMemoryInfo{out};
 }
 
 }  // namespace detail
 
 inline AllocatorWithDefaultOptions::AllocatorWithDefaultOptions() {
   ThrowOnError(GetApi().GetAllocatorWithDefaultOptions(&this->p_));
 }
 
 inline Allocator::Allocator(const Session& sess, const OrtMemoryInfo* mem_info) {
   ThrowOnError(GetApi().CreateAllocator(sess, mem_info, &this->p_));
 }
 
 namespace detail {
 
 template <typename T>
 inline std::string MemoryInfoImpl<T>::GetAllocatorName() const {
   const char* name = nullptr;
   ThrowOnError(GetApi().MemoryInfoGetName(this->p_, &name));
   return std::string(name);
 }
 
 template <typename T>
 inline OrtAllocatorType MemoryInfoImpl<T>::GetAllocatorType() const {
   OrtAllocatorType type;
   ThrowOnError(GetApi().MemoryInfoGetType(this->p_, &type));
   return type;
 }
 
 template <typename T>
 inline int MemoryInfoImpl<T>::GetDeviceId() const {
   int id = 0;
   ThrowOnError(GetApi().MemoryInfoGetId(this->p_, &id));
   return id;
 }
 
 template <typename T>
 inline OrtMemoryInfoDeviceType MemoryInfoImpl<T>::GetDeviceType() const {
   OrtMemoryInfoDeviceType type;
   GetApi().MemoryInfoGetDeviceType(this->p_, &type);
   return type;
 }
 
 template <typename T>
 inline OrtMemType MemoryInfoImpl<T>::GetMemoryType() const {
   OrtMemType type;
   ThrowOnError(GetApi().MemoryInfoGetMemType(this->p_, &type));
   return type;
 }
 
 template <typename T>
 template <typename U>
 inline bool MemoryInfoImpl<T>::operator==(const MemoryInfoImpl<U>& o) const {
   int comp_result = 0;
   ThrowOnError(Ort::GetApi().CompareMemoryInfo(this->p_, o, &comp_result));
   return comp_result == 0;
 }
 
 }  // namespace detail
 
 inline MemoryInfo MemoryInfo::CreateCpu(OrtAllocatorType type, OrtMemType mem_type) {
   OrtMemoryInfo* p;
   ThrowOnError(GetApi().CreateCpuMemoryInfo(type, mem_type, &p));
   return MemoryInfo(p);
 }
 
 inline MemoryInfo::MemoryInfo(const char* name, OrtAllocatorType type, int id, OrtMemType mem_type) {
   ThrowOnError(GetApi().CreateMemoryInfo(name, type, id, mem_type, &this->p_));
 }
 
 namespace detail {
 template <typename T>
 inline std::vector<std::string> ConstIoBindingImpl<T>::GetOutputNames() const {
   AllocatorWithDefaultOptions allocator;
   return binding_utils::GetOutputNamesHelper(this->p_, allocator);
 }
 
 template <typename T>
 inline std::vector<std::string> ConstIoBindingImpl<T>::GetOutputNames(OrtAllocator* allocator) const {
   return binding_utils::GetOutputNamesHelper(this->p_, allocator);
 }
 
 template <typename T>
 inline std::vector<Value> ConstIoBindingImpl<T>::GetOutputValues() const {
   AllocatorWithDefaultOptions allocator;
   return binding_utils::GetOutputValuesHelper(this->p_, allocator);
 }
 
 template <typename T>
 inline std::vector<Value> ConstIoBindingImpl<T>::GetOutputValues(OrtAllocator* allocator) const {
   return binding_utils::GetOutputValuesHelper(this->p_, allocator);
 }
 
 template <typename T>
 inline void IoBindingImpl<T>::BindInput(const char* name, const Value& value) {
   ThrowOnError(GetApi().BindInput(this->p_, name, value));
 }
 
 template <typename T>
 inline void IoBindingImpl<T>::BindOutput(const char* name, const Value& value) {
   ThrowOnError(GetApi().BindOutput(this->p_, name, value));
 }
 
 template <typename T>
 inline void IoBindingImpl<T>::BindOutput(const char* name, const OrtMemoryInfo* mem_info) {
   ThrowOnError(GetApi().BindOutputToDevice(this->p_, name, mem_info));
 }
 
 template <typename T>
 inline void IoBindingImpl<T>::ClearBoundInputs() {
   GetApi().ClearBoundInputs(this->p_);
 }
 
 template <typename T>
 inline void IoBindingImpl<T>::ClearBoundOutputs() {
   GetApi().ClearBoundOutputs(this->p_);
 }
 
 template <typename T>
 inline void IoBindingImpl<T>::SynchronizeInputs() {
   ThrowOnError(GetApi().SynchronizeBoundInputs(this->p_));
 }
 
 template <typename T>
 inline void IoBindingImpl<T>::SynchronizeOutputs() {
   ThrowOnError(GetApi().SynchronizeBoundOutputs(this->p_));
 }
 
 namespace binding_utils {
 inline std::vector<std::string> GetOutputNamesHelper(const OrtIoBinding* binding, OrtAllocator* allocator) {
   std::vector<std::string> result;
   auto free_fn = detail::AllocatedFree(allocator);
   using Ptr = std::unique_ptr<void, decltype(free_fn)>;
 
   char* buffer = nullptr;
   size_t* lengths = nullptr;
   size_t count = 0;
   ThrowOnError(GetApi().GetBoundOutputNames(binding, allocator, &buffer, &lengths, &count));
 
   if (count == 0) {
     return result;
   }
 
   Ptr buffer_g(buffer, free_fn);
   Ptr lengths_g(lengths, free_fn);
 
   result.reserve(count);
   for (size_t i = 0; i < count; ++i) {
     auto sz = *lengths;
     result.emplace_back(buffer, sz);
     buffer += sz;
     ++lengths;
   }
   return result;
 }
 
 inline std::vector<Value> GetOutputValuesHelper(const OrtIoBinding* binding, OrtAllocator* allocator) {
   std::vector<Value> result;
   size_t owned = 0;
   size_t output_count = 0;
   // Lambda to release the buffer when no longer needed and
   // make sure that we destroy all instances on exception
   auto free_fn = [&owned, &output_count, allocator](OrtValue** buffer) {
     if (buffer) {
       while (owned < output_count) {
         auto* p = buffer + owned++;
         GetApi().ReleaseValue(*p);
       }
       allocator->Free(allocator, buffer);
     }
   };
   using Ptr = std::unique_ptr<OrtValue*, decltype(free_fn)>;
 
   OrtValue** output_buffer = nullptr;
   ThrowOnError(GetApi().GetBoundOutputValues(binding, allocator, &output_buffer, &output_count));
   if (output_count == 0) {
     return result;
   }
 
   Ptr buffer_g(output_buffer, free_fn);
 
   result.reserve(output_count);
   for (size_t i = 0; i < output_count; ++i) {
     result.emplace_back(output_buffer[i]);
     ++owned;
   }
   return result;
 }
 
 }  // namespace binding_utils
 }  // namespace detail
 
 inline IoBinding::IoBinding(Session& session) {
   ThrowOnError(GetApi().CreateIoBinding(session, &this->p_));
 }
 
 inline ArenaCfg::ArenaCfg(size_t max_mem, int arena_extend_strategy, int initial_chunk_size_bytes, int max_dead_bytes_per_chunk) {
   ThrowOnError(GetApi().CreateArenaCfg(max_mem, arena_extend_strategy, initial_chunk_size_bytes, max_dead_bytes_per_chunk, &p_));
 }
 
 inline ThreadingOptions::ThreadingOptions() {
   ThrowOnError(GetApi().CreateThreadingOptions(&p_));
 }
 
 inline ThreadingOptions& ThreadingOptions::SetGlobalIntraOpNumThreads(int intra_op_num_threads) {
   ThrowOnError(GetApi().SetGlobalIntraOpNumThreads(p_, intra_op_num_threads));
   return *this;
 }
 
 inline ThreadingOptions& ThreadingOptions::SetGlobalInterOpNumThreads(int inter_op_num_threads) {
   ThrowOnError(GetApi().SetGlobalInterOpNumThreads(p_, inter_op_num_threads));
   return *this;
 }
 
 inline ThreadingOptions& ThreadingOptions::SetGlobalSpinControl(int allow_spinning) {
   ThrowOnError(GetApi().SetGlobalSpinControl(p_, allow_spinning));
   return *this;
 }
 
 inline ThreadingOptions& ThreadingOptions::SetGlobalDenormalAsZero() {
   ThrowOnError(GetApi().SetGlobalDenormalAsZero(p_));
   return *this;
 }
 
 inline ThreadingOptions& ThreadingOptions::SetGlobalCustomCreateThreadFn(OrtCustomCreateThreadFn ort_custom_create_thread_fn) {
   ThrowOnError(GetApi().SetGlobalCustomCreateThreadFn(p_, ort_custom_create_thread_fn));
   return *this;
 }
 
 inline ThreadingOptions& ThreadingOptions::SetGlobalCustomThreadCreationOptions(void* ort_custom_thread_creation_options) {
   ThrowOnError(GetApi().SetGlobalCustomThreadCreationOptions(p_, ort_custom_thread_creation_options));
   return *this;
 }
 
 inline ThreadingOptions& ThreadingOptions::SetGlobalCustomJoinThreadFn(OrtCustomJoinThreadFn ort_custom_join_thread_fn) {
   ThrowOnError(GetApi().SetGlobalCustomJoinThreadFn(p_, ort_custom_join_thread_fn));
   return *this;
 }
 
 inline Env::Env(OrtLoggingLevel logging_level, _In_ const char* logid) {
   ThrowOnError(GetApi().CreateEnv(logging_level, logid, &p_));
   if (strcmp(logid, "onnxruntime-node") == 0) {
     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_NODEJS));
   } else {
     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_CPLUSPLUS));
   }
 }
 
 inline Env::Env(OrtLoggingLevel logging_level, const char* logid, OrtLoggingFunction logging_function, void* logger_param) {
   ThrowOnError(GetApi().CreateEnvWithCustomLogger(logging_function, logger_param, logging_level, logid, &p_));
   if (strcmp(logid, "onnxruntime-node") == 0) {
     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_NODEJS));
   } else {
     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_CPLUSPLUS));
   }
 }
 
 inline Env::Env(const OrtThreadingOptions* tp_options, OrtLoggingLevel logging_level, _In_ const char* logid) {
   ThrowOnError(GetApi().CreateEnvWithGlobalThreadPools(logging_level, logid, tp_options, &p_));
   if (strcmp(logid, "onnxruntime-node") == 0) {
     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_NODEJS));
   } else {
     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_CPLUSPLUS));
   }
 }
 
 inline Env::Env(const OrtThreadingOptions* tp_options, OrtLoggingFunction logging_function, void* logger_param,
                 OrtLoggingLevel logging_level, _In_ const char* logid) {
   ThrowOnError(GetApi().CreateEnvWithCustomLoggerAndGlobalThreadPools(logging_function, logger_param, logging_level, logid, tp_options, &p_));
   if (strcmp(logid, "onnxruntime-node") == 0) {
     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_NODEJS));
   } else {
     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_CPLUSPLUS));
   }
 }
 
 inline Env& Env::EnableTelemetryEvents() {
   ThrowOnError(GetApi().EnableTelemetryEvents(p_));
   return *this;
 }
 
 inline Env& Env::DisableTelemetryEvents() {
   ThrowOnError(GetApi().DisableTelemetryEvents(p_));
   return *this;
 }
 
 inline Env& Env::UpdateEnvWithCustomLogLevel(OrtLoggingLevel log_severity_level) {
   ThrowOnError(GetApi().UpdateEnvWithCustomLogLevel(p_, log_severity_level));
   return *this;
 }
 
 inline Env& Env::CreateAndRegisterAllocator(const OrtMemoryInfo* mem_info, const OrtArenaCfg* arena_cfg) {
   ThrowOnError(GetApi().CreateAndRegisterAllocator(p_, mem_info, arena_cfg));
   return *this;
 }
 
 inline Env& Env::CreateAndRegisterAllocatorV2(const std::string& provider_type, const OrtMemoryInfo* mem_info, const std::unordered_map<std::string, std::string>& options, const OrtArenaCfg* arena_cfg) {
   std::vector<const char*> keys, values;
   auto num_entries = options.size();
   if (num_entries > 0) {
     keys.reserve(num_entries);
     values.reserve(num_entries);
     for (const auto& entry : options) {
       keys.push_back(entry.first.c_str());
       values.push_back(entry.second.c_str());
     }
   }
   ThrowOnError(GetApi().CreateAndRegisterAllocatorV2(p_, provider_type.c_str(), mem_info, arena_cfg, keys.data(), values.data(), num_entries));
   return *this;
 }
 
 inline CustomOpDomain::CustomOpDomain(const char* domain) {
   ThrowOnError(GetApi().CreateCustomOpDomain(domain, &p_));
 }
 
 inline void CustomOpDomain::Add(const OrtCustomOp* op) {
   ThrowOnError(GetApi().CustomOpDomain_Add(p_, op));
 }
 
 inline RunOptions::RunOptions() {
   ThrowOnError(GetApi().CreateRunOptions(&p_));
 }
 
 inline RunOptions& RunOptions::SetRunLogVerbosityLevel(int level) {
   ThrowOnError(GetApi().RunOptionsSetRunLogVerbosityLevel(p_, level));
   return *this;
 }
 
 inline RunOptions& RunOptions::SetRunLogSeverityLevel(int level) {
   ThrowOnError(GetApi().RunOptionsSetRunLogSeverityLevel(p_, level));
   return *this;
 }
 
 inline int RunOptions::GetRunLogVerbosityLevel() const {
   int out;
   ThrowOnError(GetApi().RunOptionsGetRunLogVerbosityLevel(p_, &out));
   return out;
 }
 
 inline int RunOptions::GetRunLogSeverityLevel() const {
   int out;
   ThrowOnError(GetApi().RunOptionsGetRunLogSeverityLevel(p_, &out));
   return out;
 }
 
 inline RunOptions& RunOptions::SetRunTag(const char* run_tag) {
   ThrowOnError(GetApi().RunOptionsSetRunTag(p_, run_tag));
   return *this;
 }
 
 inline const char* RunOptions::GetRunTag() const {
   const char* out;
   ThrowOnError(GetApi().RunOptionsGetRunTag(p_, &out));
   return out;
 }
 
 inline RunOptions& RunOptions::AddConfigEntry(const char* config_key, const char* config_value) {
   ThrowOnError(GetApi().AddRunConfigEntry(p_, config_key, config_value));
   return *this;
 }
 
 inline RunOptions& RunOptions::SetTerminate() {
   ThrowOnError(GetApi().RunOptionsSetTerminate(p_));
   return *this;
 }
 
 inline RunOptions& RunOptions::UnsetTerminate() {
   ThrowOnError(GetApi().RunOptionsUnsetTerminate(p_));
   return *this;
 }
 
 namespace detail {
 
 template <typename T>
 inline Ort::SessionOptions ConstSessionOptionsImpl<T>::Clone() const {
   OrtSessionOptions* out;
   ThrowOnError(GetApi().CloneSessionOptions(this->p_, &out));
   return SessionOptions{out};
 }
 
 template <typename T>
 inline std::string ConstSessionOptionsImpl<T>::GetConfigEntry(const char* config_key) const {
   size_t size = 0;
   // Feed nullptr for the data buffer to query the true size of the string value
   Ort::ThrowOnError(GetApi().GetSessionConfigEntry(this->p_, config_key, nullptr, &size));
 
   std::string out;
   out.resize(size);
   Ort::ThrowOnError(GetApi().GetSessionConfigEntry(this->p_, config_key, &out[0], &size));
   out.resize(size - 1);  // remove the terminating character '\0'
 
   return out;
 }
 
 template <typename T>
 inline bool ConstSessionOptionsImpl<T>::HasConfigEntry(const char* config_key) const {
   int out = 0;
   Ort::ThrowOnError(GetApi().HasSessionConfigEntry(this->p_, config_key, &out));
   return static_cast<bool>(out);
 }
 
 template <typename T>
 inline std::string ConstSessionOptionsImpl<T>::GetConfigEntryOrDefault(const char* config_key, const std::string& def) {
   if (!this->HasConfigEntry(config_key)) {
     return def;
   }
 
   return this->GetConfigEntry(config_key);
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetIntraOpNumThreads(int intra_op_num_threads) {
   ThrowOnError(GetApi().SetIntraOpNumThreads(this->p_, intra_op_num_threads));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetInterOpNumThreads(int inter_op_num_threads) {
   ThrowOnError(GetApi().SetInterOpNumThreads(this->p_, inter_op_num_threads));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetGraphOptimizationLevel(GraphOptimizationLevel graph_optimization_level) {
   ThrowOnError(GetApi().SetSessionGraphOptimizationLevel(this->p_, graph_optimization_level));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetDeterministicCompute(bool value) {
   ThrowOnError(GetApi().SetDeterministicCompute(this->p_, value));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetOptimizedModelFilePath(const ORTCHAR_T* optimized_model_filepath) {
   ThrowOnError(GetApi().SetOptimizedModelFilePath(this->p_, optimized_model_filepath));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::EnableProfiling(const ORTCHAR_T* profile_file_prefix) {
   ThrowOnError(GetApi().EnableProfiling(this->p_, profile_file_prefix));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::DisableProfiling() {
   ThrowOnError(GetApi().DisableProfiling(this->p_));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::EnableOrtCustomOps() {
   ThrowOnError(GetApi().EnableOrtCustomOps(this->p_));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::EnableMemPattern() {
   ThrowOnError(GetApi().EnableMemPattern(this->p_));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::DisableMemPattern() {
   ThrowOnError(GetApi().DisableMemPattern(this->p_));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::EnableCpuMemArena() {
   ThrowOnError(GetApi().EnableCpuMemArena(this->p_));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::DisableCpuMemArena() {
   ThrowOnError(GetApi().DisableCpuMemArena(this->p_));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetExecutionMode(ExecutionMode execution_mode) {
   ThrowOnError(GetApi().SetSessionExecutionMode(this->p_, execution_mode));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetLogId(const char* logid) {
   ThrowOnError(GetApi().SetSessionLogId(this->p_, logid));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetLogSeverityLevel(int level) {
   ThrowOnError(GetApi().SetSessionLogSeverityLevel(this->p_, level));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::Add(OrtCustomOpDomain* custom_op_domain) {
   ThrowOnError(GetApi().AddCustomOpDomain(this->p_, custom_op_domain));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AddConfigEntry(const char* config_key, const char* config_value) {
   ThrowOnError(GetApi().AddSessionConfigEntry(this->p_, config_key, config_value));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AddInitializer(const char* name, const OrtValue* ort_val) {
   ThrowOnError(GetApi().AddInitializer(this->p_, name, ort_val));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::DisablePerSessionThreads() {
   ThrowOnError(GetApi().DisablePerSessionThreads(this->p_));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AddExternalInitializers(const std::vector<std::string>& names,
                                                                              const std::vector<Value>& ort_values) {
   const size_t inputs_num = names.size();
   if (inputs_num != ort_values.size()) {
     ORT_CXX_API_THROW("Expecting names and ort_values to have the same length", ORT_INVALID_ARGUMENT);
   }
   std::vector<const char*> names_ptr;
   std::vector<const OrtValue*> ort_values_ptrs;
   names_ptr.reserve(inputs_num);
   ort_values_ptrs.reserve(inputs_num);
   for (size_t i = 0; i < inputs_num; ++i) {
     names_ptr.push_back(names[i].c_str());
     ort_values_ptrs.push_back(ort_values[i]);
   }
   ThrowOnError(GetApi().AddExternalInitializers(this->p_, names_ptr.data(), ort_values_ptrs.data(), inputs_num));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AddExternalInitializersFromFilesInMemory(const std::vector<std::basic_string<ORTCHAR_T>>& file_names,
                                                                                               const std::vector<char*>& buffer_array,
                                                                                               const std::vector<size_t>& file_lengths) {
   const size_t inputs_num = file_names.size();
   if (inputs_num != buffer_array.size()) {
     ORT_CXX_API_THROW("Expecting names and buffer_array to have the same length", ORT_INVALID_ARGUMENT);
   }
   if (inputs_num != file_lengths.size()) {
     ORT_CXX_API_THROW("Expecting names and file_lengths to have the same length", ORT_INVALID_ARGUMENT);
   }
   std::vector<const ORTCHAR_T*> names_ptr;
   names_ptr.reserve(inputs_num);
   for (size_t i = 0; i < inputs_num; ++i) {
     names_ptr.push_back(file_names[i].c_str());
   }
   ThrowOnError(GetApi().AddExternalInitializersFromFilesInMemory(this->p_, names_ptr.data(), buffer_array.data(),
                                                                  file_lengths.data(), inputs_num));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_CUDA(const OrtCUDAProviderOptions& provider_options) {
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_CUDA(this->p_, &provider_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_CUDA_V2(const OrtCUDAProviderOptionsV2& provider_options) {
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_CUDA_V2(this->p_, &provider_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_ROCM(const OrtROCMProviderOptions& provider_options) {
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_ROCM(this->p_, &provider_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_TensorRT(const OrtTensorRTProviderOptions& provider_options) {
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_TensorRT(this->p_, &provider_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_TensorRT_V2(const OrtTensorRTProviderOptionsV2& provider_options) {
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_TensorRT_V2(this->p_, &provider_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_MIGraphX(const OrtMIGraphXProviderOptions& provider_options) {
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_MIGraphX(this->p_, &provider_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_CANN(const OrtCANNProviderOptions& provider_options) {
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_CANN(this->p_, &provider_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_Dnnl(const OrtDnnlProviderOptions& provider_options) {
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_Dnnl(this->p_, &provider_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider(
     const std::string& provider_name,
     const std::unordered_map<std::string, std::string>& provider_options) {
   auto num_entries = provider_options.size();
   std::vector<const char*> keys, values;
   if (num_entries > 0) {
     keys.reserve(num_entries);
     values.reserve(num_entries);
 
     for (const auto& entry : provider_options) {
       keys.push_back(entry.first.c_str());
       values.push_back(entry.second.c_str());
     }
   }
 
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider(this->p_, provider_name.c_str(),
                                                               keys.data(), values.data(), num_entries));
 
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetCustomCreateThreadFn(OrtCustomCreateThreadFn ort_custom_create_thread_fn) {
   ThrowOnError(GetApi().SessionOptionsSetCustomCreateThreadFn(this->p_, ort_custom_create_thread_fn));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetCustomThreadCreationOptions(void* ort_custom_thread_creation_options) {
   ThrowOnError(GetApi().SessionOptionsSetCustomThreadCreationOptions(this->p_, ort_custom_thread_creation_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetCustomJoinThreadFn(OrtCustomJoinThreadFn ort_custom_join_thread_fn) {
   ThrowOnError(GetApi().SessionOptionsSetCustomJoinThreadFn(this->p_, ort_custom_join_thread_fn));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_OpenVINO(const OrtOpenVINOProviderOptions& provider_options) {
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_OpenVINO(this->p_, &provider_options));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_OpenVINO_V2(const std::unordered_map<std::string, std::string>& provider_options) {
   auto num_entries = provider_options.size();
   std::vector<const char*> keys, values;
   if (num_entries > 0) {
     keys.reserve(num_entries);
     values.reserve(num_entries);
 
     for (const auto& entry : provider_options) {
       keys.push_back(entry.first.c_str());
       values.push_back(entry.second.c_str());
     }
   }
 
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_OpenVINO_V2(this->p_,
                                                                           keys.data(), values.data(), num_entries));
 
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_VitisAI(const std::unordered_map<std::string, std::string>& provider_options) {
   auto num_entries = provider_options.size();
   std::vector<const char*> keys, values;
   if (num_entries > 0) {
     keys.reserve(num_entries);
     values.reserve(num_entries);
 
     for (const auto& entry : provider_options) {
       keys.push_back(entry.first.c_str());
       values.push_back(entry.second.c_str());
     }
   }
 
   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_VitisAI(this->p_, keys.data(), values.data(), num_entries));
 
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::RegisterCustomOpsLibrary(const ORTCHAR_T* library_name,
                                                                               const CustomOpConfigs& custom_op_configs) {
   // Add custom op config entries before registering the custom op library. Otherwise, the config entries _may_ be ignored by
   // the custom op library.
   for (const auto& config_iter : custom_op_configs.GetFlattenedConfigs()) {
     AddConfigEntry(config_iter.first.c_str(), config_iter.second.c_str());
   }
 
   ThrowOnError(GetApi().RegisterCustomOpsLibrary_V2(this->p_, library_name));
   return *this;
 }
 
 template <typename T>
 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::RegisterCustomOpsUsingFunction(const char* registration_function_name) {
   ThrowOnError(GetApi().RegisterCustomOpsUsingFunction(this->p_, registration_function_name));
   return *this;
 }
 
 /// Session
 template <typename T>
 inline size_t ConstSessionImpl<T>::GetInputCount() const {
   size_t out;
   ThrowOnError(GetApi().SessionGetInputCount(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline size_t ConstSessionImpl<T>::GetOutputCount() const {
   size_t out;
   ThrowOnError(GetApi().SessionGetOutputCount(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline size_t ConstSessionImpl<T>::GetOverridableInitializerCount() const {
   size_t out;
   ThrowOnError(GetApi().SessionGetOverridableInitializerCount(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline AllocatedStringPtr ConstSessionImpl<T>::GetInputNameAllocated(size_t index, OrtAllocator* allocator) const {
   char* out;
   ThrowOnError(GetApi().SessionGetInputName(this->p_, index, allocator, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 template <typename T>
 inline AllocatedStringPtr ConstSessionImpl<T>::GetOutputNameAllocated(size_t index, OrtAllocator* allocator) const {
   char* out;
   ThrowOnError(GetApi().SessionGetOutputName(this->p_, index, allocator, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 template <typename T>
 inline AllocatedStringPtr ConstSessionImpl<T>::GetOverridableInitializerNameAllocated(size_t index, OrtAllocator* allocator) const {
   char* out;
   ThrowOnError(GetApi().SessionGetOverridableInitializerName(this->p_, index, allocator, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 template <typename T>
 inline uint64_t ConstSessionImpl<T>::GetProfilingStartTimeNs() const {
   uint64_t out;
   ThrowOnError(GetApi().SessionGetProfilingStartTimeNs(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline ModelMetadata ConstSessionImpl<T>::GetModelMetadata() const {
   OrtModelMetadata* out;
   ThrowOnError(GetApi().SessionGetModelMetadata(this->p_, &out));
   return ModelMetadata{out};
 }
 
 template <typename T>
 inline TypeInfo ConstSessionImpl<T>::GetInputTypeInfo(size_t index) const {
   OrtTypeInfo* out;
   ThrowOnError(GetApi().SessionGetInputTypeInfo(this->p_, index, &out));
   return TypeInfo{out};
 }
 
 template <typename T>
 inline TypeInfo ConstSessionImpl<T>::GetOutputTypeInfo(size_t index) const {
   OrtTypeInfo* out;
   ThrowOnError(GetApi().SessionGetOutputTypeInfo(this->p_, index, &out));
   return TypeInfo{out};
 }
 
 template <typename T>
 inline TypeInfo ConstSessionImpl<T>::GetOverridableInitializerTypeInfo(size_t index) const {
   OrtTypeInfo* out;
   ThrowOnError(GetApi().SessionGetOverridableInitializerTypeInfo(this->p_, index, &out));
   return TypeInfo{out};
 }
 
 template <typename T>
 inline std::vector<Value> SessionImpl<T>::Run(const RunOptions& run_options, const char* const* input_names, const Value* input_values, size_t input_count,
                                               const char* const* output_names, size_t output_count) {
   std::vector<Value> output_values;
   output_values.reserve(output_count);
   for (size_t i = 0; i < output_count; i++)
     output_values.emplace_back(nullptr);
   Run(run_options, input_names, input_values, input_count, output_names, output_values.data(), output_count);
   return output_values;
 }
 
 template <typename T>
 inline void SessionImpl<T>::Run(const RunOptions& run_options, const char* const* input_names, const Value* input_values, size_t input_count,
                                 const char* const* output_names, Value* output_values, size_t output_count) {
   static_assert(sizeof(Value) == sizeof(OrtValue*), "Value is really just an array of OrtValue* in memory, so we can reinterpret_cast safely");
   auto ort_input_values = reinterpret_cast<const OrtValue* const*>(input_values);
   auto ort_output_values = reinterpret_cast<OrtValue**>(output_values);
   ThrowOnError(GetApi().Run(this->p_, run_options, input_names, ort_input_values, input_count, output_names, output_count, ort_output_values));
 }
 
 template <typename T>
 inline void SessionImpl<T>::Run(const RunOptions& run_options, const IoBinding& io_binding) {
   ThrowOnError(GetApi().RunWithBinding(this->p_, run_options, io_binding));
 }
 
 template <typename T>
 inline void SessionImpl<T>::RunAsync(const RunOptions& run_options, const char* const* input_names, const Value* input_values, size_t input_count,
                                      const char* const* output_names, Value* output_values, size_t output_count, RunAsyncCallbackFn callback, void* user_data) {
   auto ort_input_values = reinterpret_cast<const OrtValue* const*>(input_values);
   auto ort_output_values = reinterpret_cast<OrtValue**>(output_values);
   ThrowOnError(GetApi().RunAsync(this->p_, run_options, input_names,
                                  ort_input_values, input_count, output_names, output_count,
                                  ort_output_values, callback, user_data));
 }
 
 template <typename T>
 inline AllocatedStringPtr SessionImpl<T>::EndProfilingAllocated(OrtAllocator* allocator) {
   char* out = nullptr;
   ThrowOnError(GetApi().SessionEndProfiling(this->p_, allocator, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 }  // namespace detail
 
 inline SessionOptions::SessionOptions() {
   ThrowOnError(GetApi().CreateSessionOptions(&this->p_));
 }
 
 /// CustomOpConfigs
 inline std::string detail::MakeCustomOpConfigEntryKey(const char* custom_op_name, const char* config) {
   std::string config_key = "custom_op.";
 
   config_key += custom_op_name;
   config_key += ".";
   config_key += config;
 
   return config_key;
 }
 
 inline CustomOpConfigs& CustomOpConfigs::AddConfig(const char* custom_op_name, const char* config_key, const char* config_value) {
   const std::string full_flat_key = detail::MakeCustomOpConfigEntryKey(custom_op_name, config_key);
   flat_configs_[full_flat_key] = config_value;
   return *this;
 }
 
 inline const std::unordered_map<std::string, std::string>& CustomOpConfigs::GetFlattenedConfigs() const {
   return flat_configs_;
 }
 
 inline Session::Session(const Env& env, const ORTCHAR_T* model_path, const SessionOptions& options) {
   ThrowOnError(GetApi().CreateSession(env, model_path, options, &this->p_));
 }
 
 inline Session::Session(const Env& env, const ORTCHAR_T* model_path, const SessionOptions& options,
                         OrtPrepackedWeightsContainer* prepacked_weights_container) {
   ThrowOnError(GetApi().CreateSessionWithPrepackedWeightsContainer(env, model_path, options, prepacked_weights_container, &this->p_));
 }
 
 inline Session::Session(const Env& env, const void* model_data, size_t model_data_length, const SessionOptions& options) {
   ThrowOnError(GetApi().CreateSessionFromArray(env, model_data, model_data_length, options, &this->p_));
 }
 
 inline Session::Session(const Env& env, const void* model_data, size_t model_data_length,
                         const SessionOptions& options, OrtPrepackedWeightsContainer* prepacked_weights_container) {
   ThrowOnError(GetApi().CreateSessionFromArrayWithPrepackedWeightsContainer(env, model_data, model_data_length, options,
                                                                             prepacked_weights_container, &this->p_));
 }
 
 inline AllocatedStringPtr ModelMetadata::GetProducerNameAllocated(OrtAllocator* allocator) const {
   char* out;
   ThrowOnError(GetApi().ModelMetadataGetProducerName(p_, allocator, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 inline AllocatedStringPtr ModelMetadata::GetGraphNameAllocated(OrtAllocator* allocator) const {
   char* out;
   ThrowOnError(GetApi().ModelMetadataGetGraphName(p_, allocator, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 inline AllocatedStringPtr ModelMetadata::GetDomainAllocated(OrtAllocator* allocator) const {
   char* out;
   ThrowOnError(GetApi().ModelMetadataGetDomain(p_, allocator, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 inline AllocatedStringPtr Ort::ModelMetadata::GetDescriptionAllocated(OrtAllocator* allocator) const {
   char* out;
   ThrowOnError(GetApi().ModelMetadataGetDescription(p_, allocator, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 inline AllocatedStringPtr ModelMetadata::GetGraphDescriptionAllocated(OrtAllocator* allocator) const {
   char* out;
   ThrowOnError(GetApi().ModelMetadataGetGraphDescription(p_, allocator, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 inline AllocatedStringPtr ModelMetadata::LookupCustomMetadataMapAllocated(const char* key, OrtAllocator* allocator) const {
   char* out;
   ThrowOnError(GetApi().ModelMetadataLookupCustomMetadataMap(p_, allocator, key, &out));
   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
 }
 
 inline std::vector<AllocatedStringPtr> ModelMetadata::GetCustomMetadataMapKeysAllocated(OrtAllocator* allocator) const {
   auto deletor = detail::AllocatedFree(allocator);
   std::vector<AllocatedStringPtr> result;
 
   char** out = nullptr;
   int64_t num_keys = 0;
   ThrowOnError(GetApi().ModelMetadataGetCustomMetadataMapKeys(p_, allocator, &out, &num_keys));
   if (num_keys <= 0) {
     return result;
   }
 
   // array of pointers will be freed
   std::unique_ptr<void, decltype(deletor)> array_guard(out, deletor);
   // reserve may throw
   auto strings_deletor = [&deletor, num_keys](char** out) { for(int64_t i = 0; i < num_keys; ++i) deletor(out[i]); };
   std::unique_ptr<char*, decltype(strings_deletor)> strings_guard(out, strings_deletor);
   result.reserve(static_cast<size_t>(num_keys));
   strings_guard.release();
   for (int64_t i = 0; i < num_keys; ++i) {
     result.push_back(AllocatedStringPtr(out[i], deletor));
   }
 
   return result;
 }
 
 inline int64_t ModelMetadata::GetVersion() const {
   int64_t out;
   ThrowOnError(GetApi().ModelMetadataGetVersion(p_, &out));
   return out;
 }
 
 namespace detail {
 
 template <typename T>
 inline ONNXTensorElementDataType TensorTypeAndShapeInfoImpl<T>::GetElementType() const {
   ONNXTensorElementDataType out;
   ThrowOnError(GetApi().GetTensorElementType(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline size_t TensorTypeAndShapeInfoImpl<T>::GetElementCount() const {
   size_t out;
   ThrowOnError(GetApi().GetTensorShapeElementCount(this->p_, &out));
   return static_cast<size_t>(out);
 }
 
 template <typename T>
 inline size_t TensorTypeAndShapeInfoImpl<T>::GetDimensionsCount() const {
   size_t out;
   ThrowOnError(GetApi().GetDimensionsCount(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline void TensorTypeAndShapeInfoImpl<T>::GetDimensions(int64_t* values, size_t values_count) const {
   ThrowOnError(GetApi().GetDimensions(this->p_, values, values_count));
 }
 
 template <typename T>
 inline void TensorTypeAndShapeInfoImpl<T>::GetSymbolicDimensions(const char** values, size_t values_count) const {
   ThrowOnError(GetApi().GetSymbolicDimensions(this->p_, values, values_count));
 }
 
 template <typename T>
 inline std::vector<int64_t> TensorTypeAndShapeInfoImpl<T>::GetShape() const {
   std::vector<int64_t> out(GetDimensionsCount(), 0);
   ThrowOnError(GetApi().GetDimensions(this->p_, out.data(), out.size()));
   return out;
 }
 
 template <typename T>
 inline ConstTensorTypeAndShapeInfo TypeInfoImpl<T>::GetTensorTypeAndShapeInfo() const {
   const OrtTensorTypeAndShapeInfo* out;
   ThrowOnError(GetApi().CastTypeInfoToTensorInfo(this->p_, &out));
   return ConstTensorTypeAndShapeInfo{out};
 }
 
 template <typename T>
 inline ConstSequenceTypeInfo TypeInfoImpl<T>::GetSequenceTypeInfo() const {
   const OrtSequenceTypeInfo* out;
   ThrowOnError(GetApi().CastTypeInfoToSequenceTypeInfo(this->p_, &out));
   return ConstSequenceTypeInfo{out};
 }
 
 template <typename T>
 inline ConstMapTypeInfo TypeInfoImpl<T>::GetMapTypeInfo() const {
   const OrtMapTypeInfo* out;
   ThrowOnError(GetApi().CastTypeInfoToMapTypeInfo(this->p_, &out));
   return ConstMapTypeInfo{out};
 }
 
 template <typename T>
 inline ONNXType TypeInfoImpl<T>::GetONNXType() const {
   ONNXType out;
   ThrowOnError(GetApi().GetOnnxTypeFromTypeInfo(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline TypeInfo SequenceTypeInfoImpl<T>::GetSequenceElementType() const {
   OrtTypeInfo* output;
   ThrowOnError(GetApi().GetSequenceElementType(this->p_, &output));
   return TypeInfo{output};
 }
 
 template <typename T>
 inline TypeInfo OptionalTypeInfoImpl<T>::GetOptionalElementType() const {
   OrtTypeInfo* info;
   ThrowOnError(GetApi().GetOptionalContainedTypeInfo(this->p_, &info));
   return TypeInfo{info};
 }
 
 template <typename T>
 inline ONNXTensorElementDataType MapTypeInfoImpl<T>::GetMapKeyType() const {
   ONNXTensorElementDataType out;
   ThrowOnError(GetApi().GetMapKeyType(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline TypeInfo MapTypeInfoImpl<T>::GetMapValueType() const {
   OrtTypeInfo* output;
   ThrowOnError(GetApi().GetMapValueType(this->p_, &output));
   return TypeInfo{output};
 }
 
 template <typename T>
 inline ConstOptionalTypeInfo TypeInfoImpl<T>::GetOptionalTypeInfo() const {
   const OrtOptionalTypeInfo* info;
   ThrowOnError(GetApi().CastTypeInfoToOptionalTypeInfo(this->p_, &info));
   return ConstOptionalTypeInfo{info};
 }
 
 }  // namespace detail
 
 namespace detail {
 
 template <typename T>
 template <typename R>
 inline void ConstValueImpl<T>::GetOpaqueData(const char* domain, const char* type_name, R& out) const {
   ThrowOnError(GetApi().GetOpaqueValue(domain, type_name, this->p_, &out, sizeof(R)));
 }
 
 template <typename T>
 inline bool ConstValueImpl<T>::IsTensor() const {
   int out;
   ThrowOnError(GetApi().IsTensor(this->p_, &out));
   return out != 0;
 }
 
 template <typename T>
 inline bool ConstValueImpl<T>::HasValue() const {
   int out;
   ThrowOnError(GetApi().HasValue(this->p_, &out));
   return out != 0;
 }
 
 template <typename T>
 inline size_t ConstValueImpl<T>::GetCount() const {
   size_t out;
   ThrowOnError(GetApi().GetValueCount(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline Value ConstValueImpl<T>::GetValue(int index, OrtAllocator* allocator) const {
   OrtValue* out;
   ThrowOnError(GetApi().GetValue(this->p_, index, allocator, &out));
   return Value{out};
 }
 
 template <typename T>
 inline size_t ConstValueImpl<T>::GetStringTensorDataLength() const {
   size_t out;
   ThrowOnError(GetApi().GetStringTensorDataLength(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline size_t ConstValueImpl<T>::GetStringTensorElementLength(size_t element_index) const {
   size_t out;
   ThrowOnError(GetApi().GetStringTensorElementLength(this->p_, element_index, &out));
   return out;
 }
 
 template <typename T>
 template <typename R>
 inline const R* ConstValueImpl<T>::GetTensorData() const {
   R* out;
   ThrowOnError(GetApi().GetTensorMutableData(const_cast<OrtValue*>(this->p_), (void**)&out));
   return out;
 }
 
 template <typename T>
 inline const void* ConstValueImpl<T>::GetTensorRawData() const {
   void* out;
   ThrowOnError(GetApi().GetTensorMutableData(const_cast<OrtValue*>(this->p_), &out));
   return out;
 }
 
 template <typename T>
 inline TypeInfo ConstValueImpl<T>::GetTypeInfo() const {
   OrtTypeInfo* output;
   ThrowOnError(GetApi().GetTypeInfo(this->p_, &output));
   return TypeInfo{output};
 }
 
 template <typename T>
 inline TensorTypeAndShapeInfo ConstValueImpl<T>::GetTensorTypeAndShapeInfo() const {
   OrtTensorTypeAndShapeInfo* output;
   ThrowOnError(GetApi().GetTensorTypeAndShape(this->p_, &output));
   return TensorTypeAndShapeInfo{output};
 }
 
 template <typename T>
 inline ConstMemoryInfo ConstValueImpl<T>::GetTensorMemoryInfo() const {
   const OrtMemoryInfo* mem_info;
   ThrowOnError(GetApi().GetTensorMemoryInfo(this->p_, &mem_info));
   return ConstMemoryInfo(mem_info);
 }
 
 template <typename T>
 inline void ConstValueImpl<T>::GetStringTensorElement(size_t buffer_length, size_t element_index, void* buffer) const {
   ThrowOnError(GetApi().GetStringTensorElement(this->p_, buffer_length, element_index, buffer));
 }
 
 template <typename T>
 inline std::string ConstValueImpl<T>::GetStringTensorElement(size_t element_index) const {
   size_t buffer_length;
   ThrowOnError(GetApi().GetStringTensorElementLength(this->p_, element_index, &buffer_length));
 
   std::string s;
   s.resize(buffer_length);
   ThrowOnError(GetApi().GetStringTensorElement(this->p_, buffer_length, element_index, &s[0]));
   return s;
 }
 
 template <typename T>
 inline void ConstValueImpl<T>::GetStringTensorContent(void* buffer, size_t buffer_length, size_t* offsets, size_t offsets_count) const {
   ThrowOnError(GetApi().GetStringTensorContent(this->p_, buffer, buffer_length, offsets, offsets_count));
 }
 
 #if !defined(DISABLE_SPARSE_TENSORS)
 template <typename T>
 inline OrtSparseFormat ConstValueImpl<T>::GetSparseFormat() const {
   OrtSparseFormat format;
   ThrowOnError(GetApi().GetSparseTensorFormat(this->p_, &format));
   return format;
 }
 
 template <typename T>
 inline TensorTypeAndShapeInfo ConstValueImpl<T>::GetSparseTensorValuesTypeAndShapeInfo() const {
   OrtTensorTypeAndShapeInfo* output;
   ThrowOnError(GetApi().GetSparseTensorValuesTypeAndShape(this->p_, &output));
   return TensorTypeAndShapeInfo{output};
 }
 
 template <typename T>
 inline TensorTypeAndShapeInfo ConstValueImpl<T>::GetSparseTensorIndicesTypeShapeInfo(OrtSparseIndicesFormat indices_format) const {
   OrtTensorTypeAndShapeInfo* output;
   ThrowOnError(GetApi().GetSparseTensorIndicesTypeShape(this->p_, indices_format, &output));
   return TensorTypeAndShapeInfo{output};
 }
 
 template <typename T>
 template <typename R>
 inline const R* ConstValueImpl<T>::GetSparseTensorIndicesData(OrtSparseIndicesFormat indices_format, size_t& num_indices) const {
   const void* out;
   ThrowOnError(GetApi().GetSparseTensorIndices(this->p_, indices_format, &num_indices, &out));
   return reinterpret_cast<const R*>(out);
 }
 
 template <typename T>
 inline bool ConstValueImpl<T>::IsSparseTensor() const {
   int out;
   ThrowOnError(GetApi().IsSparseTensor(this->p_, &out));
   return out != 0;
 }
 
 template <typename T>
 template <typename R>
 inline const R* ConstValueImpl<T>::GetSparseTensorValues() const {
   const void* out;
   ThrowOnError(GetApi().GetSparseTensorValues(this->p_, &out));
   return reinterpret_cast<const R*>(out);
 }
 
 #endif
 
 template <typename T>
 void ValueImpl<T>::FillStringTensor(const char* const* s, size_t s_len) {
   ThrowOnError(GetApi().FillStringTensor(this->p_, s, s_len));
 }
 
 template <typename T>
 void ValueImpl<T>::FillStringTensorElement(const char* s, size_t index) {
   ThrowOnError(GetApi().FillStringTensorElement(this->p_, s, index));
 }
 
 template <typename T>
 inline char* ValueImpl<T>::GetResizedStringTensorElementBuffer(size_t index, size_t buffer_length) {
   char* result;
   ThrowOnError(GetApi().GetResizedStringTensorElementBuffer(this->p_, index, buffer_length, &result));
   return result;
 }
 
 template <typename T>
 void* ValueImpl<T>::GetTensorMutableRawData() {
   void* out;
   ThrowOnError(GetApi().GetTensorMutableData(this->p_, &out));
   return out;
 }
 
 template <typename T>
 template <typename R>
 R* ValueImpl<T>::GetTensorMutableData() {
   R* out;
   ThrowOnError(GetApi().GetTensorMutableData(this->p_, (void**)&out));
   return out;
 }
 
 template <typename T>
 template <typename R>
 R& ValueImpl<T>::At(const std::vector<int64_t>& location) {
   static_assert(!std::is_same<T, std::string>::value, "this api does not support std::string");
   R* out;
   ThrowOnError(GetApi().TensorAt(this->p_, location.data(), location.size(), (void**)&out));
   return *out;
 }
 
 #if !defined(DISABLE_SPARSE_TENSORS)
 template <typename T>
 void ValueImpl<T>::UseCooIndices(int64_t* indices_data, size_t indices_num) {
   ThrowOnError(GetApi().UseCooIndices(this->p_, indices_data, indices_num));
 }
 
 template <typename T>
 void ValueImpl<T>::UseCsrIndices(int64_t* inner_data, size_t inner_num, int64_t* outer_data, size_t outer_num) {
   ThrowOnError(GetApi().UseCsrIndices(this->p_, inner_data, inner_num, outer_data, outer_num));
 }
 
 template <typename T>
 void ValueImpl<T>::UseBlockSparseIndices(const Shape& indices_shape, int32_t* indices_data) {
   ThrowOnError(GetApi().UseBlockSparseIndices(this->p_, indices_shape.shape, indices_shape.shape_len, indices_data));
 }
 
 template <typename T>
 void ValueImpl<T>::FillSparseTensorCoo(const OrtMemoryInfo* mem_info, const OrtSparseValuesParam& values_param,
                                        const int64_t* indices_data, size_t indices_num) {
   ThrowOnError(GetApi().FillSparseTensorCoo(this->p_, mem_info, values_param.values_shape,
                                             values_param.values_shape_len, values_param.data.p_data,
                                             indices_data, indices_num));
 }
 
 template <typename T>
 void ValueImpl<T>::FillSparseTensorCsr(const OrtMemoryInfo* data_mem_info,
                                        const OrtSparseValuesParam& values,
                                        const int64_t* inner_indices_data, size_t inner_indices_num,
                                        const int64_t* outer_indices_data, size_t outer_indices_num) {
   ThrowOnError(GetApi().FillSparseTensorCsr(this->p_, data_mem_info, values.values_shape, values.values_shape_len, values.data.p_data,
                                             inner_indices_data, inner_indices_num,
                                             outer_indices_data, outer_indices_num));
 }
 
 template <typename T>
 void ValueImpl<T>::FillSparseTensorBlockSparse(const OrtMemoryInfo* data_mem_info,
                                                const OrtSparseValuesParam& values,
                                                const Shape& indices_shape,
                                                const int32_t* indices_data) {
   ThrowOnError(GetApi().FillSparseTensorBlockSparse(this->p_, data_mem_info, values.values_shape, values.values_shape_len, values.data.p_data,
                                                     indices_shape.shape, indices_shape.shape_len,
                                                     indices_data));
 }
 
 #endif  // !defined(DISABLE_SPARSE_TENSORS)
 
 }  // namespace detail
 
 template <typename T>
 inline Value Value::CreateTensor(const OrtMemoryInfo* info, T* p_data, size_t p_data_element_count, const int64_t* shape, size_t shape_len) {
   return CreateTensor(info, p_data, p_data_element_count * sizeof(T), shape, shape_len, TypeToTensorType<T>::type);
 }
 
 inline Value Value::CreateTensor(const OrtMemoryInfo* info, void* p_data, size_t p_data_byte_count, const int64_t* shape, size_t shape_len,
                                  ONNXTensorElementDataType type) {
   OrtValue* out;
   ThrowOnError(GetApi().CreateTensorWithDataAsOrtValue(info, p_data, p_data_byte_count, shape, shape_len, type, &out));
   return Value{out};
 }
 
 template <typename T>
 inline Value Value::CreateTensor(OrtAllocator* allocator, const int64_t* shape, size_t shape_len) {
   return CreateTensor(allocator, shape, shape_len, TypeToTensorType<T>::type);
 }
 
 inline Value Value::CreateTensor(OrtAllocator* allocator, const int64_t* shape, size_t shape_len, ONNXTensorElementDataType type) {
   OrtValue* out;
   ThrowOnError(GetApi().CreateTensorAsOrtValue(allocator, shape, shape_len, type, &out));
   return Value{out};
 }
 
 #if !defined(DISABLE_SPARSE_TENSORS)
 
 template <typename T>
 inline Value Value::CreateSparseTensor(const OrtMemoryInfo* info, T* p_data, const Shape& dense_shape,
                                        const Shape& values_shape) {
   return CreateSparseTensor(info, p_data, dense_shape, values_shape, TypeToTensorType<T>::type);
 }
 
 inline Value Value::CreateSparseTensor(const OrtMemoryInfo* info, void* p_data, const Shape& dense_shape,
                                        const Shape& values_shape, ONNXTensorElementDataType type) {
   OrtValue* out;
   ThrowOnError(GetApi().CreateSparseTensorWithValuesAsOrtValue(info, p_data, dense_shape.shape, dense_shape.shape_len,
                                                                values_shape.shape, values_shape.shape_len, type, &out));
   return Value{out};
 }
 
 template <typename T>
 inline Value Value::CreateSparseTensor(OrtAllocator* allocator, const Shape& dense_shape) {
   return CreateSparseTensor(allocator, dense_shape, TypeToTensorType<T>::type);
 }
 
 inline Value Value::CreateSparseTensor(OrtAllocator* allocator, const Shape& dense_shape,
                                        ONNXTensorElementDataType type) {
   OrtValue* out;
   ThrowOnError(GetApi().CreateSparseTensorAsOrtValue(allocator, dense_shape.shape, dense_shape.shape_len, type, &out));
   return Value{out};
 }
 #endif  // !defined(DISABLE_SPARSE_TENSORS)
 
 inline Value Value::CreateMap(const Value& keys, const Value& values) {
   OrtValue* out;
   const OrtValue* inputs[2] = {keys, values};
   ThrowOnError(GetApi().CreateValue(inputs, 2, ONNX_TYPE_MAP, &out));
   return Value{out};
 }
 
 inline Value Value::CreateSequence(const std::vector<Value>& values) {
   OrtValue* out;
   std::vector<const OrtValue*> values_ort{values.data(), values.data() + values.size()};
   ThrowOnError(GetApi().CreateValue(values_ort.data(), values_ort.size(), ONNX_TYPE_SEQUENCE, &out));
   return Value{out};
 }
 
 template <typename T>
 inline Value Value::CreateOpaque(const char* domain, const char* type_name, const T& data_container) {
   OrtValue* out;
   ThrowOnError(GetApi().CreateOpaqueValue(domain, type_name, &data_container, sizeof(T), &out));
   return Value{out};
 }
 
 //
 // Custom OP Inlines
 //
 inline Logger::Logger(const OrtLogger* logger) : logger_(logger) {
   Ort::ThrowOnError(GetApi().Logger_GetLoggingSeverityLevel(this->logger_, &this->cached_severity_level_));
 }
 
 inline OrtLoggingLevel Logger::GetLoggingSeverityLevel() const noexcept {
   return cached_severity_level_;
 }
 
 inline Status Logger::LogMessage(OrtLoggingLevel log_severity_level, const ORTCHAR_T* file_path, int line_number,
                                  const char* func_name, const char* message) const noexcept {
   OrtStatus* status = GetApi().Logger_LogMessage(logger_, log_severity_level, message, file_path, line_number,
                                                  func_name);
   return Status{status};
 }
 
 // Disable warnings about the format string not being a literal (-Wformat-nonliteral and -Wformat-security)
 // for gcc and clang. The alternative is to use actual C-style variadic parameters and apply
 // __attribute__(format(printf...)), which does not work with variadic templates.
 #if defined(__GNUC__)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
 #pragma GCC diagnostic ignored "-Wformat-security"
 #elif defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wformat-nonliteral"
 #pragma clang diagnostic ignored "-Wformat-security"
 #endif
 template <typename... Args>
 inline Status Logger::LogFormattedMessage(OrtLoggingLevel log_severity_level, const ORTCHAR_T* file_path,
                                           int line_number, const char* func_name, const char* format,
                                           Args&&... args) const noexcept {
   int msg_len = std::snprintf(nullptr, 0U, format, std::forward<Args>(args)...);
 
   if (msg_len < 0) {  // Formatting error
     return Status("Failed to log message due to formatting error", OrtErrorCode::ORT_FAIL);
   }
 
   OrtStatus* status = nullptr;
   const size_t buffer_size = static_cast<size_t>(msg_len) + 1U;
 
   constexpr size_t kStackBufferSize = 1024;
 
   if (buffer_size < kStackBufferSize) {
     char buffer[kStackBufferSize];
     snprintf(buffer, kStackBufferSize, format, std::forward<Args>(args)...);
     status = GetApi().Logger_LogMessage(logger_, log_severity_level, buffer, file_path, line_number, func_name);
   } else {
     // std::make_unique is only supported starting at C++14.
 #if (__cplusplus >= 201402L) || (_MSC_VER >= 1900)
     auto buffer = std::make_unique<char[]>(buffer_size);
 #else
     std::unique_ptr<char[]> buffer(new char[buffer_size]);
 #endif
     std::snprintf(buffer.get(), buffer_size, format, std::forward<Args>(args)...);
     status = GetApi().Logger_LogMessage(logger_, log_severity_level, buffer.get(), file_path, line_number, func_name);
   }
 
   return Status{status};
 }
 // Re-enable -Wformat-nonliteral and -Wformat-security
 #if defined(__GNUC__)
 #pragma GCC diagnostic pop
 #elif defined(__clang__)
 #pragma clang diagnostic pop
 #endif
 
 inline KernelContext::KernelContext(OrtKernelContext* context) : ctx_(context) {
 }
 
 inline size_t KernelContext::GetInputCount() const {
   size_t out = 0;
   Ort::ThrowOnError(GetApi().KernelContext_GetInputCount(ctx_, &out));
   return out;
 }
 
 inline size_t KernelContext::GetOutputCount() const {
   size_t out = 0;
   Ort::ThrowOnError(GetApi().KernelContext_GetOutputCount(ctx_, &out));
   return out;
 }
 
 inline ConstValue KernelContext::GetInput(size_t index) const {
   const OrtValue* out = nullptr;
   Ort::ThrowOnError(GetApi().KernelContext_GetInput(ctx_, index, &out));
   return ConstValue{out};
 }
 
 inline UnownedValue KernelContext::GetOutput(size_t index, const int64_t* dim_values, size_t dim_count) const {
   OrtValue* out = nullptr;
   Ort::ThrowOnError(GetApi().KernelContext_GetOutput(ctx_, index, dim_values, dim_count, &out));
   return UnownedValue(out);
 }
 
 inline UnownedValue KernelContext::GetOutput(size_t index, const std::vector<int64_t>& dims) const {
   OrtValue* out = nullptr;
   Ort::ThrowOnError(GetApi().KernelContext_GetOutput(ctx_, index, dims.data(), dims.size(), &out));
   return UnownedValue(out);
 }
 
 inline void* KernelContext::GetGPUComputeStream() const {
   void* out = nullptr;
   Ort::ThrowOnError(GetApi().KernelContext_GetGPUComputeStream(ctx_, &out));
   return out;
 }
 
 inline OrtAllocator* KernelContext::GetAllocator(const OrtMemoryInfo& memory_info) const {
   OrtAllocator* out = nullptr;
   Ort::ThrowOnError(GetApi().KernelContext_GetAllocator(ctx_, &memory_info, &out));
   return out;
 }
 
 inline Logger KernelContext::GetLogger() const {
   const OrtLogger* out = nullptr;
   ThrowOnError(GetApi().KernelContext_GetLogger(this->ctx_, &out));
   return Logger{out};
 }
 
 inline void KernelContext::ParallelFor(void (*fn)(void*, size_t), size_t total, size_t num_batch, void* usr_data) const {
   ThrowOnError(GetApi().KernelContext_ParallelFor(ctx_, fn, total, num_batch, usr_data));
 }
 
 inline OpAttr::OpAttr(const char* name, const void* data, int len, OrtOpAttrType type) {
   Ort::ThrowOnError(GetApi().CreateOpAttr(name, data, len, type, &p_));
 }
 
 namespace detail {
 template <typename T>
 inline KernelInfo KernelInfoImpl<T>::Copy() const {
   OrtKernelInfo* info_copy = nullptr;
   Ort::ThrowOnError(GetApi().CopyKernelInfo(this->p_, &info_copy));
   return KernelInfo{info_copy};
 }
 
 template <typename T>
 inline size_t KernelInfoImpl<T>::GetInputCount() const {
   size_t out = 0;
   ThrowOnError(GetApi().KernelInfo_GetInputCount(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline size_t KernelInfoImpl<T>::GetOutputCount() const {
   size_t out = 0;
   ThrowOnError(GetApi().KernelInfo_GetOutputCount(this->p_, &out));
   return out;
 }
 
 template <typename T>
 inline std::string KernelInfoImpl<T>::GetInputName(size_t index) const {
   size_t size = 0;
 
   // Feed nullptr for the data buffer to query the true size of the string value
   Ort::ThrowOnError(GetApi().KernelInfo_GetInputName(this->p_, index, nullptr, &size));
 
   std::string out;
   out.resize(size);
   Ort::ThrowOnError(GetApi().KernelInfo_GetInputName(this->p_, index, &out[0], &size));
   out.resize(size - 1);  // remove the terminating character '\0'
 
   return out;
 }
 
 template <typename T>
 inline std::string KernelInfoImpl<T>::GetOutputName(size_t index) const {
   size_t size = 0;
 
   // Feed nullptr for the data buffer to query the true size of the string value
   Ort::ThrowOnError(GetApi().KernelInfo_GetOutputName(this->p_, index, nullptr, &size));
 
   std::string out;
   out.resize(size);
   Ort::ThrowOnError(GetApi().KernelInfo_GetOutputName(this->p_, index, &out[0], &size));
   out.resize(size - 1);  // remove the terminating character '\0'
 
   return out;
 }
 
 template <typename T>
 inline TypeInfo KernelInfoImpl<T>::GetInputTypeInfo(size_t index) const {
   OrtTypeInfo* out = nullptr;
   ThrowOnError(GetApi().KernelInfo_GetInputTypeInfo(this->p_, index, &out));
   return TypeInfo{out};
 }
 
 template <typename T>
 inline TypeInfo KernelInfoImpl<T>::GetOutputTypeInfo(size_t index) const {
   OrtTypeInfo* out = nullptr;
   ThrowOnError(GetApi().KernelInfo_GetOutputTypeInfo(this->p_, index, &out));
   return TypeInfo{out};
 }
 
 template <typename T>
 inline Value KernelInfoImpl<T>::GetTensorAttribute(const char* name, OrtAllocator* allocator) const {
   OrtValue* out = nullptr;
   ThrowOnError(GetApi().KernelInfoGetAttribute_tensor(this->p_, name, allocator, &out));
   return Value{out};
 }
 
 template <typename T>
 inline ConstValue KernelInfoImpl<T>::GetTensorConstantInput(size_t index, int* is_constant) const {
   const OrtValue* out = nullptr;
   ThrowOnError(GetApi().KernelInfoGetConstantInput_tensor(this->p_, index, is_constant, &out));
   return ConstValue{out};
 }
 
 template <typename T>
 inline std::string KernelInfoImpl<T>::GetNodeName() const {
   size_t size = 0;
 
   // Feed nullptr for the data buffer to query the true size of the string value
   Ort::ThrowOnError(GetApi().KernelInfo_GetNodeName(this->p_, nullptr, &size));
 
   std::string out;
   out.resize(size);
   Ort::ThrowOnError(GetApi().KernelInfo_GetNodeName(this->p_, &out[0], &size));
   out.resize(size - 1);  // remove the terminating character '\0'
 
   return out;
 }
 
 template <typename T>
 inline Logger KernelInfoImpl<T>::GetLogger() const {
   const OrtLogger* out = nullptr;
   ThrowOnError(GetApi().KernelInfo_GetLogger(this->p_, &out));
   return Logger{out};
 }
 
 inline void attr_utils::GetAttr(const OrtKernelInfo* p, const char* name, float& out) {
   Ort::ThrowOnError(GetApi().KernelInfoGetAttribute_float(p, name, &out));
 }
 
 inline void attr_utils::GetAttr(const OrtKernelInfo* p, const char* name, int64_t& out) {
   Ort::ThrowOnError(GetApi().KernelInfoGetAttribute_int64(p, name, &out));
 }
 
 inline void attr_utils::GetAttr(const OrtKernelInfo* p, const char* name, std::string& result) {
   size_t size = 0;
   // Feed nullptr for the data buffer to query the true size of the string attribute
   Ort::ThrowOnError(GetApi().KernelInfoGetAttribute_string(p, name, nullptr, &size));
 
   std::string out;
   out.resize(size);
   Ort::ThrowOnError(GetApi().KernelInfoGetAttribute_string(p, name, &out[0], &size));
   out.resize(size - 1);  // remove the terminating character '\0'
   out.swap(result);
 }
 
 inline void attr_utils::GetAttrs(const OrtKernelInfo* p, const char* name, std::vector<float>& result) {
   size_t size = 0;
   // Feed nullptr for the data buffer to query the true size of the attribute
   Ort::ThrowOnError(GetApi().KernelInfoGetAttributeArray_float(p, name, nullptr, &size));
 
   std::vector<float> out;
   out.resize(size);
   Ort::ThrowOnError(GetApi().KernelInfoGetAttributeArray_float(p, name, out.data(), &size));
   out.swap(result);
 }
 
 inline void attr_utils::GetAttrs(const OrtKernelInfo* p, const char* name, std::vector<int64_t>& result) {
   size_t size = 0;
 
   // Feed nullptr for the data buffer to query the true size of the attribute
   Ort::ThrowOnError(GetApi().KernelInfoGetAttributeArray_int64(p, name, nullptr, &size));
 
   std::vector<int64_t> out;
   out.resize(size);
   Ort::ThrowOnError(GetApi().KernelInfoGetAttributeArray_int64(p, name, out.data(), &size));
   out.swap(result);
 }
 }  // namespace detail
 
 inline KernelInfo::KernelInfo(OrtKernelInfo* info) : detail::KernelInfoImpl<OrtKernelInfo>{info} {}
 
 inline Op::Op(OrtOp* p) : Base<OrtOp>(p) {}
 
 inline Op Op::Create(const OrtKernelInfo* info, const char* op_name, const char* domain, int version,
                      const char** type_constraint_names,
                      const ONNXTensorElementDataType* type_constraint_values,
                      size_t type_constraint_count,
                      const OpAttr* attr_values, size_t attr_count,
                      size_t input_count, size_t output_count) {
   static_assert(sizeof(OpAttr) == sizeof(OrtOpAttr*),
                 "OpAttr's is expected to be just an array of OrtOpAttr in memory so we can reinterpret safely");
   auto attr_input_values = reinterpret_cast<const OrtOpAttr* const*>(attr_values);
   OrtOp* op;
   Ort::ThrowOnError(GetApi().CreateOp(info, op_name, domain, version, type_constraint_names, type_constraint_values,
                                       static_cast<int>(type_constraint_count),
                                       attr_input_values,
                                       static_cast<int>(attr_count),
                                       static_cast<int>(input_count),
                                       static_cast<int>(output_count), &op));
   return Op{op};
 }
 
 inline void Op::Invoke(const OrtKernelContext* context,
                        const Value* input_values,
                        size_t input_count,
                        Value* output_values,
                        size_t output_count) {
   static_assert(sizeof(Value) == sizeof(OrtValue*),
                 "Value is really just an array of OrtValue* in memory, so we can reinterpret_cast safely");
   auto ort_input_values = reinterpret_cast<const OrtValue* const*>(input_values);
   auto ort_output_values = reinterpret_cast<OrtValue**>(output_values);
   Ort::ThrowOnError(GetApi().InvokeOp(context, p_, ort_input_values, static_cast<int>(input_count),
                                       ort_output_values, static_cast<int>(output_count)));
 }
 
 inline void Op::Invoke(const OrtKernelContext* context,
                        const OrtValue* const* input_values,
                        size_t input_count,
                        OrtValue* const* output_values,
                        size_t output_count) {
   Ort::ThrowOnError(GetApi().InvokeOp(context, p_, input_values, static_cast<int>(input_count),
                                       output_values, static_cast<int>(output_count)));
 }
 
 inline std::string GetVersionString() {
   return OrtGetApiBase()->GetVersionString();
 }
 
 inline std::string GetBuildInfoString() {
   return GetApi().GetBuildInfoString();
 }
 
 inline std::vector<std::string> GetAvailableProviders() {
   char** providers;
   int len;
 
   auto release_fn = [&len](char** providers) {
     // This should always return nullptr.
     ThrowOnError(GetApi().ReleaseAvailableProviders(providers, len));
   };
 
   ThrowOnError(GetApi().GetAvailableProviders(&providers, &len));
   std::unique_ptr<char*, decltype(release_fn)> guard(providers, release_fn);
   std::vector<std::string> available_providers;
   available_providers.reserve(static_cast<size_t>(len));
   for (int i = 0; i < len; ++i) {
     available_providers.emplace_back(providers[i]);
   }
   return available_providers;
 }
 
 template <typename TOp, typename TKernel, bool WithStatus>
 void CustomOpBase<TOp, TKernel, WithStatus>::GetSessionConfigs(std::unordered_map<std::string, std::string>& out,
                                                                ConstSessionOptions options) const {
   const TOp* derived = static_cast<const TOp*>(this);
   std::vector<std::string> keys = derived->GetSessionConfigKeys();
 
   out.reserve(keys.size());
 
   std::string config_entry_key = detail::MakeCustomOpConfigEntryKey(derived->GetName(), "");
   const size_t prefix_size = config_entry_key.length();
 
   for (const auto& key : keys) {
     config_entry_key.resize(prefix_size);
     config_entry_key.append(key);
     out[key] = options.GetConfigEntryOrDefault(config_entry_key.c_str(), "");
   }
 }
 
 inline ShapeInferContext::ShapeInferContext(const OrtApi* ort_api,
                                             OrtShapeInferContext* ctx) : ort_api_(ort_api), ctx_(ctx) {
   size_t input_count = 0;
   Ort::ThrowOnError(ort_api_->ShapeInferContext_GetInputCount(ctx_, &input_count));
   for (size_t ith_input = 0; ith_input < input_count; ++ith_input) {
     OrtTensorTypeAndShapeInfo* info{};
     Ort::ThrowOnError(ort_api_->ShapeInferContext_GetInputTypeShape(ctx, ith_input, &info));
     TensorTypeAndShapeInfo type_shape_info(info);
     auto integer_shape = type_shape_info.GetShape();
     std::vector<const char*> symbolic_shape(integer_shape.size(), {});
     type_shape_info.GetSymbolicDimensions(&symbolic_shape[0], integer_shape.size());
     Shape shape;
     for (size_t ith = 0; ith < integer_shape.size(); ++ith) {
       if (symbolic_shape[ith] && std::string{symbolic_shape[ith]}.size() > 0) {
         shape.emplace_back(symbolic_shape[ith]);
       } else {
         shape.emplace_back(integer_shape[ith]);
       }
     }
     input_shapes_.push_back(std::move(shape));
     type_shape_info.release();
   }
 }
 
 inline Status ShapeInferContext::SetOutputShape(size_t indice, const Shape& shape) {
   OrtTensorTypeAndShapeInfo* info = {};
   ORT_CXX_RETURN_ON_API_FAIL(ort_api_->CreateTensorTypeAndShapeInfo(&info));
 
   using InfoPtr = std::unique_ptr<OrtTensorTypeAndShapeInfo, std::function<void(OrtTensorTypeAndShapeInfo*)>>;
 
   InfoPtr info_ptr(info, [this](OrtTensorTypeAndShapeInfo* obj) {
     ort_api_->ReleaseTensorTypeAndShapeInfo(obj);
   });
 
   std::vector<int64_t> integer_dims;
   std::vector<const char*> symbolic_dims;
 
   for (const auto dim : shape) {
     if (dim.IsInt()) {
       integer_dims.push_back(dim.IsInt());
       symbolic_dims.push_back("");
     } else {
       if (!dim.AsSym() || std::string{dim.AsSym()}.empty()) {
         ORT_CXX_API_THROW("Symbolic dim must not be an empty string", ORT_INVALID_ARGUMENT);
       }
       integer_dims.push_back(SymbolicInteger::INVALID_INT_DIM);
       symbolic_dims.push_back(dim.AsSym());
     }
   }
 
   ORT_CXX_RETURN_ON_API_FAIL(ort_api_->SetDimensions(info, integer_dims.data(), integer_dims.size()));
   ORT_CXX_RETURN_ON_API_FAIL(ort_api_->SetSymbolicDimensions(info, symbolic_dims.data(), symbolic_dims.size()));
   ORT_CXX_RETURN_ON_API_FAIL(ort_api_->ShapeInferContext_SetOutputTypeShape(ctx_, indice, info));
   return Status{nullptr};
 }
 
 inline int64_t ShapeInferContext::GetAttrInt(const char* attr_name) {
   const auto* attr = GetAttrHdl(attr_name);
   int64_t i = {};
   size_t out = {};
   Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_INT, &i, sizeof(i), &out));
   return i;
 }
 
 inline ShapeInferContext::Ints ShapeInferContext::GetAttrInts(const char* attr_name) {
   const auto* attr = GetAttrHdl(attr_name);
   int64_t i = {};
   size_t out = {};
   // first call to get the bytes needed
   auto status = ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_INTS, &i, sizeof(i), &out);
   if (status) {
     size_t num_i = out / sizeof(int64_t);
     ShapeInferContext::Ints ints(num_i, 0);
     Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_INTS, ints.data(), out, &out));
     return ints;
   } else {
     return {i};
   }
 }
 
 inline float ShapeInferContext::GetAttrFloat(const char* attr_name) {
   const auto* attr = GetAttrHdl(attr_name);
   float f = {};
   size_t out = {};
   Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_FLOAT, &f, sizeof(f), &out));
   return f;
 }
 
 inline ShapeInferContext::Floats ShapeInferContext::GetAttrFloats(const char* attr_name) {
   const auto* attr = GetAttrHdl(attr_name);
   float f = {};
   size_t out = {};
   // first call to get the bytes needed
   auto status = ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_FLOATS, &f, sizeof(f), &out);
   if (status) {
     size_t num_f = out / sizeof(float);
     ShapeInferContext::Floats floats(num_f, 0);
     Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_FLOATS, floats.data(), out, &out));
     return floats;
   } else {
     return {f};
   }
 }
 
 inline std::string ShapeInferContext::GetAttrString(const char* attr_name) {
   const auto* attr = GetAttrHdl(attr_name);
   char c = {};
   size_t out = {};
   // first call to get the bytes needed
   auto status = ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_STRING, &c, sizeof(char), &out);
   if (status) {
     std::vector<char> chars(out, '\0');
     Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_STRING, chars.data(), out, &out));
     return {chars.data()};
   } else {
     return {c};
   }
 }
 
 inline ShapeInferContext::Strings ShapeInferContext::GetAttrStrings(const char* attr_name) {
   const auto* attr = GetAttrHdl(attr_name);
   char c = {};
   size_t out = {};
   // first call to get the bytes needed
   auto status = ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_STRINGS, &c, sizeof(char), &out);
   if (status) {
     std::vector<char> chars(out, '\0');
     Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_STRINGS, chars.data(), out, &out));
     ShapeInferContext::Strings strings;
     char* char_st = chars.data();
     char* char_ed = char_st + out;
     while (char_st < char_ed) {
       strings.emplace_back(char_st);
       while (*char_st != '\0') {
         char_st++;
       }
       char_st++;
     }
     return strings;
   } else {
     return {std::string{c}};
   }
 }
 
 inline const OrtOpAttr* ShapeInferContext::GetAttrHdl(const char* attr_name) const {
   const OrtOpAttr* attr_hdl = {};
   Ort::ThrowOnError(ort_api_->ShapeInferContext_GetAttribute(ctx_, attr_name, &attr_hdl));
   return attr_hdl;
 }
 
 }  // namespace Ort