<<rule>> Create: Multiplicity-Many Bidirectional Self-Reference

<<preserve>> toContainerClass : EClass <<preserve>> toOppositeReference : EReference <<create>> newMultiplicityManyReference : EReference <<create>> unique = "true" <<create>> upperBound = value > 1 <<create>> eOpposite <<create>> eType <<create>> eOpposite <<create>> eContainingClass eStructuralFeatures