Changes
| namespace = System.Interface
| targetleft = [[METAPROXY]]
| targetright = [[METAPROXYPROPERTYROOTMETAPROXYPROPERTY]]
| relationdata = [[SYSREL_METAPROPERTY]]
| relationdatamc = [[SYSREL METAPROXY PROPERTY_(Relation_Data)|SYSREL METAPROXY PROPERTY]]
