Modifying

Helper Classes

`ConnectorEnds`
`TypeRelationships`

`Annotations`
`ConnectorEndsAccessor`
`ConnectorAsUsageEnds`
`ConnectorEnds`
`DependencyEnds`
`DependencyPrefixes`
`Heritage`
`Messages`
`NamespaceBody`
`NamespacePrefixes`
`RelationshipBody`	Container for relationship bodies. Works similarly to `ChildrenNodes` except relationships are not needed and all elements are taken ownership off.
`TypeRelationships`

`MemberAccessor`
`OwnedMemberAccessor`
`ChainedMemberAccessor`
`ParameterAccessor`
`ReferentAccessor`
`SatisfactionSubjectAccessor`
`ActionParameterAccessor`
`ChainedFeatureMemberAccessor`
`ArgumentsAccessor`
`EffectAccessor`
`ExpressionParameterAccessor`
`FeatureValueAccessor`
`GuardAccessor`
`ItemFeatureAccessor`
`OwnedExpressionAccessor`
`OwnedFeatureAccessor`
`OwnedMultiplicityAccessor`
`OwnedSuccessionAccessor`
`ReferenceParameterAccessor`
`ReferenceUsageAccessor`
`ResultExpressionAccessor`
`TargetFeatureAccessor`
`TransitionSourceAccessor`
`TriggerAccessor`