public Builder clearOutput() {
      output_ = getDefaultInstance().getOutput();
      bitField0_ = (bitField0_ & ~0x00000002);
      onChanged();
      return this;
    }
<pre>
Optional. Contains stdout when code execution is successful, stderr or
other description otherwise.
</pre>

<code>string output = 2 [(.google.api.field_behavior) = OPTIONAL];</code>

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