public com.google.cloud.visionai.v1.Annotation.Builder addMatchedAnnotationsBuilder() {
      return getMatchedAnnotationsFieldBuilder()
          .addBuilder(com.google.cloud.visionai.v1.Annotation.getDefaultInstance());
    }
<pre>
Matched annotations for the criteria.
</pre>

<code>repeated .google.cloud.visionai.v1.Annotation matched_annotations = 2;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AnnotationMatchingResult.java