| Class | Description |
|---|---|
| PDFAttributeClassCollection | Defines a collection of attribute class names. |
| PDFAttributeClassMap | Defines mappings between names and attributes or attribute collections. |
| PDFIdMap | Defines a mapping between identifiers ( PDFStructureElement.getID) and structure elements. |
| PDFMarkedContentReference | Defines a reference to a marked-content sequence. |
| PDFMarkedContentSequenceIdentifier | Defines a marked-content sequence identifier. |
| PDFMarkInformation | Defines the mark information for a PDF document. |
| PDFObjectReference | Defines a reference to a PDF object. An object reference is used when a structure element's content consists of an entire PDF object, such as an XObject directly or indirectly referenced by a page description or an annotation. |
| PDFRoleMap | Defines a mapping between structure types ( PDFStructureElement.getType) used in the document and their approximate equivalents in the set of standard structure types (the constants in PDFStandardStructureTypes class). |
| PDFStandardArtifactAttribute | Defines a standard artifact attribute. |
| PDFStandardLayoutAttribute | Defines a standard layout attribute. |
| PDFStandardListAttribute | Defines a standard list attribute. |
| PDFStandardPrintFieldAttribute | Defines a standard print field attribute. |
| PDFStandardStructureTypes | Defines standard structure types to be used with PDFStructureElement.setType method. |
| PDFStandardTableAttribute | Defines a standard table attribute. |
| PDFStructureElement | Defines a structure element. Structure elements are the nodes in a structure tree. |
| PDFStructureElementAttribute | Defines the base class for attributes used by structure elements. |
| PDFStructureElementAttributeCollection | Defines a collection of structure elements. |
| PDFStructureElementCollection | Defines a collection of structure elements. |
| PDFStructureElementContentCollection | Defines a collection of structure element contents. |
| PDFStructureTree | Defines the logical structure of a document as a hierarchy of PDFStructureElement objects. |
| PDFUserProperties | Defines a set of user properties that can be used as an attribute for a structure element. |
| PDFUserProperty | Defines a user defined property. |
| PDFUserPropertyCollection | Defines a collection of user properties. |