public com.google.cloud.visionai.v1.AppPlatformCloudFunctionRequest
            .StructedInputAnnotationOrBuilder
        getAnnotationsOrBuilder(int index) {
      if (annotationsBuilder_ == null) {
        return annotations_.get(index);
      } else {
        return annotationsBuilder_.getMessageOrBuilder(index);
      }
    }
<pre>
The actual annotations to be processed by the customized Cloud Function.
</pre>

<code>
repeated .google.cloud.visionai.v1.AppPlatformCloudFunctionRequest.StructedInputAnnotation annotations = 2;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AppPlatformCloudFunctionRequest.java