## Uses of Interface
org.opengis.filter.identity.Identifier

Packages that use Identifier
org.opengis.filter: Filters features according their properties.
org.opengis.filter.identity: An Identifier indicates object identity requested during data query or reference.

Uses of Identifier in org.opengis.filter

Methods in org.opengis.filter that return types with arguments of type Identifier
`Set<Identifier>` `Id.getIdentifiers()` Returns the set of identifiers used by this filter.

Method parameters in org.opengis.filter with type arguments of type Identifier
`Id` `FilterFactory.id(Set<? extends Identifier> ids)` Passes only for objects that have one of the IDs given to this object.

Uses of Identifier in org.opengis.filter.identity

Subinterfaces of Identifier in org.opengis.filter.identity
`interface` `FeatureId` Feature identifier.
`interface` `GmlObjectId<O>` Feature and Geometry identifier for GML3 specification.
`interface` `ObjectId` ObjectId refered to by Filter 1.1 specification (as an example).
`interface` `RecordId` RecordId refered to by CSW-2 specification.

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