# Hierarchy For Package org.opengis.referencing

Package Hierarchies:

- All Packages

## Class Hierarchy

- Object
  - Throwable (implements Serializable)
    - Exception
      - FactoryException
        - NoSuchIdentifierException
          - NoSuchAuthorityCodeException

## Interface Hierarchy

- Factory
  - AuthorityFactory
  - ObjectFactory
- IdentifiedObject
  - ReferenceSystem
- Identifier
  - ReferenceIdentifier