public com.google.cloud.visionai.v1.StreamAnnotationOrBuilder getAnnotationOrBuilder() {
          if (annotationBuilder_ != null) {
            return annotationBuilder_.getMessageOrBuilder();
          } else {
            return annotation_ == null
                ? com.google.cloud.visionai.v1.StreamAnnotation.getDefaultInstance()
                : annotation_;
          }
        }
<pre>
Line annotation from the user.
</pre>

<code>.google.cloud.visionai.v1.StreamAnnotation annotation = 1;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OccupancyCountingPredictionResult.java