code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // to you 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.
  
  package org.openqa.selenium.remote;
  
  import java.util.function.Supplier;
  
  /**
   * Converts {@link Response} objects to and from another representation.
   *
   * @param <T> The type of an encoded response.
   */
  public interface ResponseCodec<T> {
  
    /**
     * Encodes a response.
     *
     * @param factory creates a new instance of {@code T}.
     * @param response the response to encode.
     * @return the encoded response.
     * @throws IllegalArgumentException If the object cannot be encoded.
     */
    T encode(Supplier<T> factory, Response response);
  
    /**
     * Decodes a response.
     *
     * @param encodedResponse the response to decode.
     * @return the decoded response.
     * @throws IllegalArgumentException If the object cannot be decoded.
     */
    Response decode(T encodedResponse);
  }
  