public Builder clearOutputName() {
      outputName_ = getDefaultInstance().getOutputName();
      bitField0_ = (bitField0_ & ~0x00000040);
      onChanged();
      return this;
    }
<pre>
Output only. Name of the explain output. Specified as the key in
[ExplanationMetadata.outputs][google.cloud.aiplatform.v1.ExplanationMetadata.outputs].
</pre>

<code>string output_name = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Attribution.java