public Builder mergeExplicitAnnotation(
        com.google.cloud.videointelligence.v1p2beta1.ExplicitContentAnnotation value) {
      if (explicitAnnotationBuilder_ == null) {
        if (((bitField0_ & 0x00000020) != 0)
            && explicitAnnotation_ != null
            && explicitAnnotation_
                != com.google.cloud.videointelligence.v1p2beta1.ExplicitContentAnnotation
                    .getDefaultInstance()) {
          getExplicitAnnotationBuilder().mergeFrom(value);
        } else {
          explicitAnnotation_ = value;
        }
      } else {
        explicitAnnotationBuilder_.mergeFrom(value);
      }
      if (explicitAnnotation_ != null) {
        bitField0_ |= 0x00000020;
        onChanged();
      }
      return this;
    }
<pre>
Explicit content annotation.
</pre>

<code>
.google.cloud.videointelligence.v1p2beta1.ExplicitContentAnnotation explicit_annotation = 7;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p2beta1/src/main/java/com/google/cloud/videointelligence/v1p2beta1/VideoAnnotationResults.java