JPA Method
in javax.persistence.metamodel.ManagedType

MapAttribute<X,K,V> getDeclaredMap(
  String name, 
  Class<K> keyType, 
  Class<V> valueType
)

Return the Map-valued attribute declared by the managed type that corresponds to the specified name and Java key and value types.
Parameters:
name - the name of the represented attribute
keyType - the key type of the represented attribute
valueType - the value type of the represented attribute
Return:
declared MapAttribute of the given name and key and value types
Throws:
IllegalArgumentException - if attribute of the given name and type is not declared in the managed type
Since:
JPA 2.0