public ChunkTypeCase getChunkTypeCase() {
      return ChunkTypeCase.forNumber(chunkTypeCase_);
    }
<pre>
Grounding chunk.
</pre>

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