private com.google.protobuf.SingleFieldBuilder<
          JInPiqi.handle_user_leave, JInPiqi.handle_user_leave.Builder, JInPiqi.handle_user_leaveOrBuilder> 
          getHandleUserLeaveFieldBuilder() {
        if (handleUserLeaveBuilder_ == null) {
          handleUserLeaveBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              JInPiqi.handle_user_leave, JInPiqi.handle_user_leave.Builder, JInPiqi.handle_user_leaveOrBuilder>(
                  handleUserLeave_,
                  getParentForChildren(),
                  isClean());
          handleUserLeave_ = null;
        }
        return handleUserLeaveBuilder_;
      }