@java.lang.Override
    public int getVbvSizeBits() {
      return vbvSizeBits_;
    }
<pre>
Size of the Video Buffering Verifier (VBV) buffer in bits. Must be
greater than zero. The default is equal to
[bitrate_bps][google.cloud.video.livestream.v1.VideoStream.H264CodecSettings.bitrate_bps].
</pre>

<code>int32 vbv_size_bits = 9;</code>

@return The vbvSizeBits.
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/VideoStream.java