1061: function _isOrdered(DripsReceiver memory prev, DripsReceiver memory next)
1062:     private
1063:     pure
1064:     returns (bool)
1065: {
1066:     if (prev.userId != next.userId) {
1067:         return prev.userId < next.userId;
1068:     }
1069:     return prev.config.lt(next.config);
1070: }
