private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.video.livestream.v1.DvrSession.DvrWindow,
            com.google.cloud.video.livestream.v1.DvrSession.DvrWindow.Builder,
            com.google.cloud.video.livestream.v1.DvrSession.DvrWindowOrBuilder>
        getDvrWindowsFieldBuilder() {
      if (dvrWindowsBuilder_ == null) {
        dvrWindowsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.video.livestream.v1.DvrSession.DvrWindow,
                com.google.cloud.video.livestream.v1.DvrSession.DvrWindow.Builder,
                com.google.cloud.video.livestream.v1.DvrSession.DvrWindowOrBuilder>(
                dvrWindows_, ((bitField0_ & 0x00000080) != 0), getParentForChildren(), isClean());
        dvrWindows_ = null;
      }
      return dvrWindowsBuilder_;
    }
<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