public static Builder newBuilder(
      com.google.cloud.videointelligence.v1.PersonDetectionAnnotation prototype) {
    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
  }
<pre>
Feature version.
</pre>

<code>string version = 2;</code>

@return The bytes for version.
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/PersonDetectionAnnotation.java