public Builder removeDvrWindows(int index) {
      if (dvrWindowsBuilder_ == null) {
        ensureDvrWindowsIsMutable();
        dvrWindows_.remove(index);
        onChanged();
      } else {
        dvrWindowsBuilder_.remove(index);
      }
      return this;
    }
<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