public Builder clearFinishReason() {
      bitField0_ = (bitField0_ & ~0x00000020);
      finishReason_ = 0;
      onChanged();
      return this;
    }
<pre>
Output only. The reason why the model stopped generating tokens.
If empty, the model has not stopped generating the tokens.
</pre>

<code>
.google.cloud.vertexai.v1.Candidate.FinishReason finish_reason = 3 [(.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/Candidate.java