public Builder clearInterval() {
      bitField0_ = (bitField0_ & ~0x00000040);
      interval_ = null;
      if (intervalBuilder_ != null) {
        intervalBuilder_.dispose();
        intervalBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Create sprites at regular intervals. Valid range is [1 second, 1 hour] and
the default value is `10s`.
</pre>

<code>.google.protobuf.Duration interval = 7;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/SpriteSheet.java