@java.lang.Override
    public com.google.protobuf.ByteString
        getGroupNameBytes() {
      java.lang.Object ref = groupName_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        groupName_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<code>optional string group_name = 1;</code>
@return The bytes for groupName.
llap-common/src/gen/protobuf/gen-java/org/apache/hadoop/hive/llap/daemon/rpc/LlapDaemonProtocolProtos.java