public Builder mergeExplanationSpecOverride(
        com.google.cloud.vertexai.api.ExplanationSpecOverride value) {
      if (explanationSpecOverrideBuilder_ == null) {
        if (((bitField0_ & 0x00000008) != 0)
            && explanationSpecOverride_ != null
            && explanationSpecOverride_
                != com.google.cloud.vertexai.api.ExplanationSpecOverride.getDefaultInstance()) {
          getExplanationSpecOverrideBuilder().mergeFrom(value);
        } else {
          explanationSpecOverride_ = value;
        }
      } else {
        explanationSpecOverrideBuilder_.mergeFrom(value);
      }
      if (explanationSpecOverride_ != null) {
        bitField0_ |= 0x00000008;
        onChanged();
      }
      return this;
    }
<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