@java.lang.Override
        public com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker build() {
          com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker result =
              buildPartial();
          if (!result.isInitialized()) {
            throw newUninitializedMessageException(result);
          }
          return result;
        }
<pre>
Config for LlmRanker.
</pre>

Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.LlmRanker}
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagRetrievalConfig.java