Nested Classes 
| Modifier and Type | Class | Description | 
| static class  | Members.CollectionAttributeImpl<X,E> | Represents attributes declared as java.util.Collection<E>. | 
| static class  | Members.KeyAttributeImpl<X,K> | Represents the keys of java.util.Map<K,V> in managed type <X> as a pseudo-attribute of type
 java.util.Set<K>. | 
| static class  | Members.ListAttributeImpl<X,E> | Represents attributes declared as java.util.List<E>. | 
| static class  | Members.MapAttributeImpl<X,K,V> | Represents attributes declared as java.util.Map<K,V> in managed type <X>. | 
| static class  | Members.Member<X,Y> | An attribute of a Java type. | 
| static class  | Members.PluralAttributeImpl<X,C,E> | Root of multi-cardinality attribute. | 
| static class  | Members.SetAttributeImpl<X,E> | Represents attributes declared as java.util.Set<E>. | 
| static class  | Members.SingularAttributeImpl<X,T> | Represents single-valued persistent attributes. |