public Builder mergeFrom(
        com.google.cloud.videointelligence.v1beta2.AnnotateVideoProgress other) {
      if (other
          == com.google.cloud.videointelligence.v1beta2.AnnotateVideoProgress.getDefaultInstance())
        return this;
      if (annotationProgressBuilder_ == null) {
        if (!other.annotationProgress_.isEmpty()) {
          if (annotationProgress_.isEmpty()) {
            annotationProgress_ = other.annotationProgress_;
            bitField0_ = (bitField0_ & ~0x00000001);
          } else {
            ensureAnnotationProgressIsMutable();
            annotationProgress_.addAll(other.annotationProgress_);
          }
          onChanged();
        }
      } else {
        if (!other.annotationProgress_.isEmpty()) {
          if (annotationProgressBuilder_.isEmpty()) {
            annotationProgressBuilder_.dispose();
            annotationProgressBuilder_ = null;
            annotationProgress_ = other.annotationProgress_;
            bitField0_ = (bitField0_ & ~0x00000001);
            annotationProgressBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getAnnotationProgressFieldBuilder()
                    : null;
          } else {
            annotationProgressBuilder_.addAllMessages(other.annotationProgress_);
          }
        }
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Video annotation progress. Included in the `metadata`
field of the `Operation` returned by the `GetOperation`
call of the `google::longrunning::Operations` service.
</pre>

Protobuf type {@code google.cloud.videointelligence.v1beta2.AnnotateVideoProgress}
java-video-intelligence/proto-google-cloud-video-intelligence-v1beta2/src/main/java/com/google/cloud/videointelligence/v1beta2/AnnotateVideoProgress.java