public _Action_Impl_ForeignKeys(AbstractTable at_arg, HashSet <Column> columns_arg)
 {
     _columns = columns_arg;
 }
 public _Predicate_Impl_ForeignTable_(AbstractTable at_arg)
 {
     _at = at_arg;
 }
 public _Predicate_Impl_RelationShips_(AbstractTable at_arg, Table otherTable_arg)
 {
     _at         = at_arg;
     _otherTable = otherTable_arg;
 }
 public _Predicate_Impl_ForeignKeyRelationships_(AbstractTable at_arg)
 {
     _at = at_arg;
 }