Representation of a parent-child relationship between IConcepts.
Specifies if the parent-child relation ship is 1:n.
Returns whether this role's value has to be set or not.
Whether children with this role are returned in a meaningful order and whether they are allowed to be reordered.
The concept targeted by this link.
Returns the concept this role belongs to.
Returns the unqualified name of this role.
Returns the uid of this role.
Returns the key of the receiver role for the given transaction.
Returns the key of the receiver role for the given tree.