private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.visionai.v1.AppPlatformCloudFunctionRequest.StructedInputAnnotation,
            com.google.cloud.visionai.v1.AppPlatformCloudFunctionRequest.StructedInputAnnotation
                .Builder,
            com.google.cloud.visionai.v1.AppPlatformCloudFunctionRequest
                .StructedInputAnnotationOrBuilder>
        getAnnotationsFieldBuilder() {
      if (annotationsBuilder_ == null) {
        annotationsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.visionai.v1.AppPlatformCloudFunctionRequest
                    .StructedInputAnnotation,
                com.google.cloud.visionai.v1.AppPlatformCloudFunctionRequest.StructedInputAnnotation
                    .Builder,
                com.google.cloud.visionai.v1.AppPlatformCloudFunctionRequest
                    .StructedInputAnnotationOrBuilder>(
                annotations_, ((bitField0_ & 0x00000002) != 0), getParentForChildren(), isClean());
        annotations_ = null;
      }
      return annotationsBuilder_;
    }
<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