internal AdvisableContextProperty(AdvisableAttribute ownerAttribute, Type advicedType)
 {
     this.ownerAttribute = ownerAttribute;
     this.advicedType    = advicedType;
 }
 internal AdvisableContextProperty(AdvisableAttribute ownerAttribute, Type advicedType)
 {
     this.ownerAttribute = ownerAttribute;
     this.advicedType = advicedType;
 }