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.ServiceLoader;
  import org.openqa.selenium.remote.codec.w3c.W3CHttpCommandCodec;
  import org.openqa.selenium.remote.codec.w3c.W3CHttpResponseCodec;
  import org.openqa.selenium.remote.http.HttpRequest;
  import org.openqa.selenium.remote.http.HttpResponse;
  
  public enum Dialect {
    W3C {
      @Override
      public CommandCodec<HttpRequest> getCommandCodec() {
        return bindAdditionalCommands(new W3CHttpCommandCodec());
      }
  
      @Override
      public ResponseCodec<HttpResponse> getResponseCodec() {
        return new W3CHttpResponseCodec();
      }
  
      @Override
      public String getEncodedElementKey() {
        return "element-6066-11e4-a52e-4f735466cecf";
      }
  
      @Override
      public String getShadowRootElementKey() {
        return "shadow-6066-11e4-a52e-4f735466cecf";
      }
    };
  
    public abstract CommandCodec<HttpRequest> getCommandCodec();
  
    public abstract ResponseCodec<HttpResponse> getResponseCodec();
  
    public abstract String getEncodedElementKey();
  
    public abstract String getShadowRootElementKey();
  
    private static CommandCodec<HttpRequest> bindAdditionalCommands(
        CommandCodec<HttpRequest> toCodec) {
      ServiceLoader.load(AdditionalHttpCommands.class)
          .forEach(
              cmds -> {
                cmds.getAdditionalCommands()
                    .forEach(
                        (name, info) -> {
                          if (!toCodec.isSupported(name)) {
                            toCodec.defineCommand(name, info.getMethod(), info.getUrl());
                          }
                        });
              });
  
      return toCodec;
    }
  }
  