public static com.google.protobuf.Parser<Candidate> parser() {
    return PARSER;
  }
<pre>
Output only. Metadata specifies sources used to ground generated content.
</pre>

<code>
.google.cloud.vertexai.v1.GroundingMetadata grounding_metadata = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Candidate.java