@java.lang.Override
        public com.google.protobuf.ByteString getStringBytes() {
            java.lang.String ref = "";
            if (kindCase_ == 2) {
                ref = (java.lang.String) kind_;
            }
            return com.google.protobuf.ByteString.copyFromUtf8(ref);
        }
<code>string string = 2;</code>

@return The bytes for string.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/notification/TurmsNotification.java