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.devtools.noop;
  
  import org.openqa.selenium.BuildInfo;
  import org.openqa.selenium.devtools.DevToolsException;
  import org.openqa.selenium.devtools.idealized.Domains;
  import org.openqa.selenium.devtools.idealized.Events;
  import org.openqa.selenium.devtools.idealized.Javascript;
  import org.openqa.selenium.devtools.idealized.Network;
  import org.openqa.selenium.devtools.idealized.log.Log;
  import org.openqa.selenium.devtools.idealized.target.Target;
  
  public class NoOpDomains implements Domains {
  
    private static BuildInfo INFO = new BuildInfo();
  
    private static final String WARNING =
        String.format(
            "You are using a no-op implementation of the CDP. The most likely reason"
                + " for this is that Selenium was unable to find an implementation of the "
                + "CDP protocol that matches your browser. Please be sure to include an "
                + "implementation on the classpath, possibly by adding a new (maven) "
                + "dependency of `org.seleniumhq.selenium:selenium-devtools-vNN:%s` where "
                + "`NN` matches the major version of the browser you're using.",
            INFO.getReleaseLabel());
  
    @Override
    public Events<?, ?> events() {
      throw new DevToolsException(WARNING);
    }
  
    @Override
    public Javascript<?, ?> javascript() {
      throw new DevToolsException(WARNING);
    }
  
    @Override
    public Network<?, ?> network() {
      throw new DevToolsException(WARNING);
    }
  
    @Override
    public Target target() {
      throw new DevToolsException(WARNING);
    }
  
    @Override
    public Log log() {
      throw new DevToolsException(WARNING);
    }
  
    @Override
    public void disableAll() {
      throw new DevToolsException(WARNING);
    }
  }
  