| org.apache.pdfbox.pdmodel.common.filespecification | The file specification package defines classes that are used for the PDF File Specification logic. |
| org.apache.pdfbox.pdmodel.common.function | This package contains functions that are available in the PDF specification. |
| COSObjectable | This is an interface used to get/create the underlying COSObject. | code | html |
| DualCOSObjectable | This is an interface to represent a PDModel object that holds two COS objects. | code | html |
| PDDestinationOrAction | This is an interface used for some elements such as the document OpenAction that can be either a Destination or an Action. | code | html |
| PDPageLabels.LabelHandler | Internal interface for the control flow support. | code | html |
| COSArrayList | This is an implementation of a List that will sync its contents to a COSArray. | code | html |
| COSDictionaryMap | This is a Map that will automatically sync the contents to a COSDictionary. | code | html |
| COSStreamArray | This will take an array of streams and sequence them together. | code | html |
| PDDictionaryWrapper | A wrapper for a COS dictionary. | code | html |
| PDMatrix | This class will be used for matrix manipulation. | code | html |
| PDMemoryStream | A PDStream represents a stream in a PDF document. | code | html |
| PDMetadata | This class represents metadata for various objects in a PDF document. | code | html |
| PDNameTreeNode | This class represends a PDF Name tree. | code | html |
| PDNamedTextStream | A named text stream is a combination of a name and a PDTextStream object. | code | html |
| PDNumberTreeNode | This class represents a PDF Number tree. | code | html |
| PDObjectStream | A PDStream represents a stream in a PDF document. | code | html |
| PDPageLabelRange | Contains information for a page label range. | code | html |
| PDPageLabels | Represents the page label dictionary of a document. | code | html |
| PDPageLabels.LabelGenerator | Generates the labels in a page range. | code | html |
| PDRange | This class will be used to signify a range. a(min) <= a* <= a(max) | code | html |
| PDRectangle | This represents a rectangle in a PDF document. | code | html |
| PDStream | A PDStream represents a stream in a PDF document. | code | html |
| PDTextStream | A PDTextStream class is used when the PDF specification supports either a string or a stream for the value of an object. | code | html |
| PDTypedDictionaryWrapper | A wrapper for a COS dictionary including Type information. | code | html |