text: //*****************************************************************************
  // Copyright 2017-2021 Intel Corporation
  //
  // 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.
  //*****************************************************************************
  
  #include "default_opset.hpp"
  #include "ngraph/node.hpp"
  #include "onnx_import/core/node.hpp"
  
  namespace ngraph
  {
      namespace onnx_import
      {
          namespace op
          {
              namespace set_1
              {
                  OutputVector experimental_detectron_prior_grid_generator(const Node& node)
                  {
                      using PriorGridGenerator =
                          ngraph::op::v6::ExperimentalDetectronPriorGridGenerator;
  
                      auto inputs = node.get_ng_inputs();
                      auto priors = inputs[0];
                      auto feature_map = inputs[1];
                      auto im_data = inputs[2];
  
                      PriorGridGenerator::Attributes attrs{};
                      attrs.flatten =
                          static_cast<bool>(node.get_attribute_value<int64_t>("flatten", 1));
                      attrs.h = node.get_attribute_value<int64_t>("h", 0);
                      attrs.w = node.get_attribute_value<int64_t>("w", 0);
                      attrs.stride_x = node.get_attribute_value<float>("stride_x", 0.0f);
                      attrs.stride_x = node.get_attribute_value<float>("stride_y", 0.0f);
  
                      return {
                          std::make_shared<PriorGridGenerator>(priors, feature_map, im_data, attrs)};
                  }
              } // namespace set_1
  
          } // namespace op
  
      } // namespace onnx_import
  
  } // namespace ngraph
  