# Package org.apache.fop.render.pdf.extensions

- Interface Summary
  Interface | Description
  --- | ---
  PDFExtensionEventProducer |

- Class Summary
  Class | Description
  --- | ---
  AbstractPDFExtensionElement | Base class for the PDF-specific extension elements.
  PDFActionElement | Extension element for pdf:action.
  PDFActionExtension |
  PDFArrayElement | Extension element for pdf:array.
  PDFArrayExtension |
  PDFCatalogElement | Extension element for pdf:catalog.
  PDFCatalogExtension |
  PDFCollectionEntryElement | Extension element for collection entries: pdf:{array,boolean,dictionary,name,number,reference,string}.
  PDFCollectionEntryExtension |
  PDFCollectionExtension |
  PDFDictionaryAttachment |
  PDFDictionaryElement | Extension element for dictionaries: pdf:{catalog,page,dictionary}.
  PDFDictionaryExtension |
  PDFDocumentInformationElement |
  PDFDocumentInformationExtension |
  PDFElementMapping | This class provides the element mapping for the PDF-specific extensions.
  PDFEmbeddedFileAttachment | This is the pass-through value object for the PDF extension.
  PDFEmbeddedFileElement | Extension element for pdf:embedded-file.
  PDFExtensionAttachment |
  PDFExtensionHandler | ContentHandler (parser) for restoring PDF extension objects from XML.
  PDFExtensionHandlerFactory | Factory for the ContentHandler that handles serialized PDFExtensionAttachment instances.
  PDFLayerElement | Extension element for pdf:layer.
  PDFLayerExtension |
  PDFNavigatorElement | Extension element for pdf:navigator.
  PDFNavigatorExtension |
  PDFObjectExtension |
  PDFPageElement | Extension element for pdf:page.
  PDFPageExtension |
  PDFPagePieceElement |
  PDFPagePieceExtension |
  PDFReferenceElement | Extension element for pdf:reference.
  PDFReferenceExtension |
  PDFVTElement |
  PDFVTExtension |

- Enum Summary
  Enum | Description
  --- | ---
  PDFDictionaryType | Enumeration type for PDF dictionary extension elements.
  PDFObjectType | Enumeration type for leaf PDF object extension types used as singletons, dictionary entries, or array entries.

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