text: //*****************************************************************************
  // Copyright 2017-2020 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.
  //*****************************************************************************
  
  #pragma once
  
  #include "ngraph/op/op.hpp"
  
  namespace ngraph
  {
      namespace op
      {
          namespace v1
          {
              /// \brief Elementwise logical negation operation.
              class NGRAPH_API LogicalNot : public Op
              {
              public:
                  NGRAPH_RTTI_DECLARATION;
                  /// \brief Constructs a logical negation operation.
                  LogicalNot() = default;
                  /// \brief Constructs a logical negation operation.
                  ///
                  /// \param arg Node that produces the input tensor.
                  LogicalNot(const Output<Node>& arg);
  
                  bool visit_attributes(AttributeVisitor& visitor) override;
                  void validate_and_infer_types() override;
  
                  virtual std::shared_ptr<Node>
                      clone_with_new_inputs(const OutputVector& new_args) const override;
                  bool evaluate(const HostTensorVector& outputs,
                                const HostTensorVector& inputs) const override;
              };
          }
          namespace v0
          {
              /// \brief Elementwise logical negation operation.
              class NGRAPH_DEPRECATED(
                  "This operation is deprecated and will be removed soon. "
                  "Use v1::LogicalNot instead of it.") NGRAPH_API Not : public Op
              {
                  NGRAPH_SUPPRESS_DEPRECATED_START
              public:
                  static constexpr NodeTypeInfo type_info{"Not", 0};
                  const NodeTypeInfo& get_type_info() const override { return type_info; }
                  /// \brief Constructs a logical negation operation.
                  Not() = default;
                  /// \brief Constructs a logical negation operation.
                  ///
                  /// \param arg Node that produces the input tensor.
                  Not(const Output<Node>& arg);
  
                  void validate_and_infer_types() override;
  
                  virtual std::shared_ptr<Node>
                      clone_with_new_inputs(const OutputVector& new_args) const override;
                  bool evaluate(const HostTensorVector& outputs,
                                const HostTensorVector& inputs) const override;
                  NGRAPH_SUPPRESS_DEPRECATED_END
              };
          }
  
          NGRAPH_SUPPRESS_DEPRECATED_START
          using v0::Not;
          NGRAPH_SUPPRESS_DEPRECATED_END
      } // namespace op
  } // namespace ngraph
  