public Builder rpcExt(final String rpcExt) {
            this.rpcExt = rpcExt;
            return this;
        }
rpcExt.

@param rpcExt rpcExt
@return Builder builder
shenyu-register-center/shenyu-register-common/src/main/java/org/apache/shenyu/register/common/dto/MetaDataRegisterDTO.java