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.chromium;
  
  import java.util.List;
  import java.util.Map;
  import org.openqa.selenium.Beta;
  
  /** Used by classes to indicate that they can cast devices to available sink targets. */
  @Beta
  public interface HasCasting {
  
    /**
     * Returns the list of cast sinks (Cast devices) available to the Chrome media router.
     *
     * @return array of ID / Name pairs of available cast sink targets
     */
    List<Map<String, String>> getCastSinks();
  
    /**
     * Selects a cast sink (Cast device) as the recipient of media router intents (connect or play).
     *
     * @param deviceName name of the target device.
     */
    void selectCastSink(String deviceName);
  
    /**
     * Initiates desktop mirroring for the current browser tab on the specified device.
     *
     * @param deviceName name of the target device.
     */
    void startDesktopMirroring(String deviceName);
  
    /**
     * Initiates tab mirroring for the current browser tab on the specified device.
     *
     * @param deviceName name of the target device.
     */
    void startTabMirroring(String deviceName);
  
    /**
     * @return an error message if there is any issue in a Cast session.
     */
    String getCastIssueMessage();
  
    /**
     * Stops casting from media router to the specified device, if connected.
     *
     * @param deviceName name of the target device.
     */
    void stopCasting(String deviceName);
  }
  