text: /*
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * 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 <memory>
  #include <string>
  
  #include "velox/type/Type.h"
  
  namespace facebook {
  namespace velox {
  namespace dwio {
  namespace type {
  namespace fbhive {
  
  class HiveTypeSerializer {
   public:
    static std::string serialize(const std::shared_ptr<const velox::Type>& type);
  
   private:
    std::string visit(const velox::Type& type) const;
  
   private:
    HiveTypeSerializer() = default;
  
    ~HiveTypeSerializer() = default;
  
    std::string visitChildren(const velox::RowType& t) const;
  
    std::string visitChildren(const velox::Type& t) const;
  };
  
  } // namespace fbhive
  } // namespace type
  } // namespace dwio
  } // namespace velox
  } // namespace facebook
  