ChangeabilityKind is an enumeration type.
Description
ChangeabilityKind is an enumeration of the following literal values:
unrestricted: Indicates that there is no restriction no adding new values, changing a value, or removing values to an occurrence of a StructuralFeature.
readOnly: Indicates that adding new values, changing values, and removing values or an occurrence of a Structural- Feature is not permitted.
addOnly: Indicates that there is no restriction on adding new values to an occurrence of a StructuralFeature, but changing and removing values are restricted.
removeOnly: Indicates that there is no restriction on removing values from an occurrence of a StructuralFeature, but adding new values and changing values is not permitted.