@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    for (int i = 0; i < progressEvents_.size(); i++) {
      output.writeMessage(1, progressEvents_.get(i));
    }
    for (int i = 0; i < ads_.size(); i++) {
      output.writeMessage(2, ads_.get(i));
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeMessage(3, getEndTimeOffset());
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      output.writeMessage(4, getStartTimeOffset());
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Ad break start time in seconds relative to the start of the VOD asset.
</pre>

<code>.google.protobuf.Duration start_time_offset = 4;</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/VodSessionAdBreak.java