public Builder setUserId(long value) {
            copyOnWrite();
            instance.setUserId(value);
            return this;
        }
<code>int64 user_id = 2;</code>

@param value The userId to set.
@return This builder for chaining.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/group/blocklist/CreateGroupBlockedUserRequest.java