private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.vertexai.api.ExplanationSpecOverride,
            com.google.cloud.vertexai.api.ExplanationSpecOverride.Builder,
            com.google.cloud.vertexai.api.ExplanationSpecOverrideOrBuilder>
        getExplanationSpecOverrideFieldBuilder() {
      if (explanationSpecOverrideBuilder_ == null) {
        explanationSpecOverrideBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.vertexai.api.ExplanationSpecOverride,
                com.google.cloud.vertexai.api.ExplanationSpecOverride.Builder,
                com.google.cloud.vertexai.api.ExplanationSpecOverrideOrBuilder>(
                getExplanationSpecOverride(), getParentForChildren(), isClean());
        explanationSpecOverride_ = null;
      }
      return explanationSpecOverrideBuilder_;
    }
<pre>
If specified, overrides the
[explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
of the DeployedModel. Can be used for explaining prediction results with
different configurations, such as:
 - Explaining top-5 predictions results as opposed to top-1;
 - Increasing path count or step count of the attribution methods to reduce
   approximate errors;
 - Using different baselines for explaining the prediction results.
</pre>

<code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainRequest.java