@java.lang.Override
    public Builder clone() {
      return super.clone();
    }
<pre>
Retrieve from Vertex RAG Store for grounding.
</pre>

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