public Builder clearFunctionResponse() {
      if (functionResponseBuilder_ == null) {
        if (dataCase_ == 6) {
          dataCase_ = 0;
          data_ = null;
          onChanged();
        }
      } else {
        if (dataCase_ == 6) {
          dataCase_ = 0;
          data_ = null;
        }
        functionResponseBuilder_.clear();
      }
      return this;
    }
<pre>
Optional. The result output of a [FunctionCall] that contains a string
representing the [FunctionDeclaration.name] and a structured JSON object
containing any output from the function call. It is used as context to
the model.
</pre>

<code>
.google.cloud.vertexai.v1.FunctionResponse function_response = 6 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Part.java