| Interface Summary | 
| Attribute<X,Y> | Represents an attribute of a Java type. | 
| BasicType<X> | Instances of the type BasicTyperepresent basic types (including
 temporal and enumerated types). | 
| Bindable<T> | Instances of the type Bindablerepresent object or attribute types 
 that can be bound into aPath. | 
| CollectionAttribute<X,E> | Instances of the type CollectionAttributerepresent persistentjava.util.Collection-valued attributes. | 
| EmbeddableType<X> | Instances of the type EmbeddableTyperepresent embeddable types. | 
| EntityType<X> | Instances of the type EntityTyperepresent entity types. | 
| IdentifiableType<X> | Instances of the type IdentifiableTyperepresent entity or 
  mapped superclass types. | 
| ListAttribute<X,E> | Instances of the type ListAttributerepresent persistentjavax.util.List-valued attributes. | 
| ManagedType<X> | Instances of the type ManagedTyperepresent entity, mapped 
  superclass, and embeddable types. | 
| MapAttribute<X,K,V> | Instances of the type MapAttributerepresent
 persistentjava.util.Map-valued attributes. | 
| MappedSuperclassType<X> | Instances of the type MappedSuperclassTyperepresent mapped
  superclass types. | 
| Metamodel | Provides access to the metamodel of persistent
 entities in the persistence unit. | 
| PluralAttribute<X,C,E> | Instances of the type PluralAttributerepresent 
 persistent collection-valued attributes. | 
| SetAttribute<X,E> | Instances of the type SetAttributerepresent
 persistentjava.util.Set-valued attributes. | 
| SingularAttribute<X,T> | Instances of the type SingularAttributerepresents persistent 
 single-valued properties or fields. | 
| Type<X> | Instances of the type Typerepresent persistent object 
 or attribute types. |