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# Index

## Classes

| Name | Description
--- | --- | ---
| PDFEncryptionException | Defines a PDF encryption exception.
| PDFException | Defines a PDF exception.
| PDFInvalidDataException | Defines an exception that is thrown when the data being parsed does not match the expected result.
| PDFInvalidFlowLayoutException | Defines an exception that is thrown when content cannot be laid out in flow mode.
| PDFInvalidPageContentException | Defines the exception that is thrown when the page content is invalid and cannot be parsed.
| PDFInvalidPasswordException | Defines an exception that is thrown when an invalid password is used.
| PDFInvalidStateException | Defines an exception thrown when an object is in an invalid state for a certain operation.
| PDFUnsupportedDataException | Defines an exception that is thrown when the data format is unsupported for the current operation.