private com.google.protobuf.SingleFieldBuilderV3<
              com.google.cloud.visionai.v1.ResourceAnnotations,
              com.google.cloud.visionai.v1.ResourceAnnotations.Builder,
              com.google.cloud.visionai.v1.ResourceAnnotationsOrBuilder>
          getAnnotationsFieldBuilder() {
        if (annotationsBuilder_ == null) {
          annotationsBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.cloud.visionai.v1.ResourceAnnotations,
                  com.google.cloud.visionai.v1.ResourceAnnotations.Builder,
                  com.google.cloud.visionai.v1.ResourceAnnotationsOrBuilder>(
                  getAnnotations(), getParentForChildren(), isClean());
          annotations_ = null;
        }
        return annotationsBuilder_;
      }
<pre>
Contains resource annotations.
</pre>

<code>.google.cloud.visionai.v1.ResourceAnnotations annotations = 5;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Instance.java