# Package org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure

The logical structure package provides a mechanism for incorporating structural information about a document's content into a PDF file.

See: Description

Class Summary
PDAttributeObject: An attribute object.
PDDefaultAttributeObject: A default attribute object.
PDMarkedContentReference: A marked-content reference.
PDMarkInfo: The MarkInfo provides additional information relevant to specialized uses of structured documents.
PDObjectReference: An object reference.
PDParentTreeValue: This is described in the PDF specification in the ParentTree segment of the table "Entries in the structure tree root".
PDStructureElement: A structure element.
PDStructureNode: A node in the structure tree.
PDStructureTreeRoot: A root of a structure tree.
PDUserAttributeObject: A User attribute object.
PDUserProperty: A user property.
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## Package org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure Description

The logical structure package provides a mechanism for incorporating structural information about a document's content into a PDF file.