public com.google.cloud.vertexai.api.ExplanationSpecOverrideOrBuilder
        getExplanationSpecOverrideOrBuilder() {
      if (explanationSpecOverrideBuilder_ != null) {
        return explanationSpecOverrideBuilder_.getMessageOrBuilder();
      } else {
        return explanationSpecOverride_ == null
            ? com.google.cloud.vertexai.api.ExplanationSpecOverride.getDefaultInstance()
            : explanationSpecOverride_;
      }
    }
<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