private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
        getSmoothGradConfigFieldBuilder();
        getBlurBaselineConfigFieldBuilder();
      }
    }
<pre>
An explanation method that redistributes Integrated Gradients
attributions to segmented regions, taking advantage of the model's fully
differentiable structure. Refer to this paper for more details:
https://arxiv.org/abs/1906.02825

Supported only by image Models.
</pre>

Protobuf type {@code google.cloud.vertexai.v1.XraiAttribution}
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttribution.java