@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getCreateTime());
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getUpdateTime());
    }
    for (java.util.Map.Entry<java.lang.String, java.lang.String> entry :
        internalGetLabels().getMap().entrySet()) {
      com.google.protobuf.MapEntry<java.lang.String, java.lang.String> labels__ =
          LabelsDefaultEntryHolder.defaultEntry
              .newBuilderForType()
              .setKey(entry.getKey())
              .setValue(entry.getValue())
              .build();
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, labels__);
    }
    if (state_
        != com.google.cloud.video.livestream.v1.DvrSession.State.STATE_UNSPECIFIED.getNumber()) {
      size += com.google.protobuf.CodedOutputStream.computeEnumSize(5, state_);
    }
    if (((bitField0_ & 0x00000004) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getError());
    }
    for (int i = 0; i < dvrManifests_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(7, dvrManifests_.get(i));
    }
    for (int i = 0; i < dvrWindows_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(8, dvrWindows_.get(i));
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Required. The specified ranges of segments to generate a DVR recording.
</pre>

<code>
repeated .google.cloud.video.livestream.v1.DvrSession.DvrWindow dvr_windows = 8 [(.google.api.field_behavior) = REQUIRED];
</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/DvrSession.java