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.interactions;
  
  import static org.openqa.selenium.internal.Require.nonNegative;
  
  import java.time.Duration;
  import java.util.HashMap;
  import java.util.Map;
  
  /** Indicates that a given {@link InputSource} should pause for a given duration. */
  public class Pause extends Interaction implements Encodable {
  
    private final Duration duration;
  
    /**
     * @param duration If 0, this means "wait until all other actions in the tick have been
     *     evaluated". Must be greater than 0.
     */
    // TODO(simons): Reduce visibility?
    public Pause(InputSource device, Duration duration) {
      super(device);
      this.duration = nonNegative(duration);
    }
  
    @Override
    protected boolean isValidFor(SourceType sourceType) {
      return true;
    }
  
    @Override
    public Map<String, Object> encode() {
      Map<String, Object> toReturn = new HashMap<>();
  
      toReturn.put("type", "pause");
      toReturn.put("duration", duration.toMillis());
  
      return toReturn;
    }
  }
  