public com.google.protobuf.ProtocolStringList
          getGroupVerticesList() {
        groupVertices_.makeImmutable();
        return groupVertices_;
      }
<code>repeated string group_vertices = 2;</code>
@return A list containing the groupVertices.
llap-common/src/gen/protobuf/gen-java/org/apache/hadoop/hive/llap/daemon/rpc/LlapDaemonProtocolProtos.java