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.firefox;
  
  import org.openqa.selenium.Beta;
  
  /** Used by classes to indicate that they can change the context commands operate in. */
  @Beta
  public interface HasContext {
  
    /**
     * Context commands are operating on.
     *
     * @param context {@link FirefoxCommandContext} operating on page loaded in the browser or on
     *     browser elements hosting the page.
     */
    void setContext(FirefoxCommandContext context);
  
    /**
     * Current context commands are operating on.
     *
     * @return {@link FirefoxCommandContext} value currently operating on commands
     */
    FirefoxCommandContext getContext();
  }
  