<<rule>> Create: Multiplicity-Many Bidirectional Reference
<<create>>
newOppositeReference : EReference
<<preserve>>
toClassA : EClass
<<create>>
newMultiplicityOneReference : EReference
<<create>> unique = "true"
<<create>> upperBound = value > 1
<<preserve>>
toClassB : EClass
<<create>>
eOpposite
<<create>>
eType
<<create>>
eType
<<create>>
eOpposite
<<create>>
eContainingClass
eStructuralFeatures
<<create>>
eContainingClass
eStructuralFeatures