# Uses of Package
com.pdfunit

- Packages that use com.pdfunit
  Package | Description
  --- | ---
  com.pdfunit | This is the main package for testing PDF documents.
  com.pdfunit.filter.region | Classes to operate with regions of PDF pages.
  com.pdfunit.messages | Classes for error messages, used as a key in messages.properties.
  com.pdfunit.validators | Classes implementing validations on specific topics of PDF.

- Classes in com.pdfunit used by com.pdfunit
  Class and Description
  AccessPermission Enumeration, which contains all (known) access permissions.
  CertificationLevel This class defines the certification levels.
  ComparedBy This class is used as a swtich, in which way the embedded files of two PDF documents should be compared.
  DateResolution Enumeration containing formats for DATE and DATETIME.
  DocumentFormat This class defines the tollerance for PDF formats according to ISO 216 and DIN 476, described in the german articles Papierformat (Normen) and Papierformat (Wikipedia).
  FlipDirection Enumeration defining values for image manipulation.
  FormatUnit Enumeration containing units and functions to convert between them.
  PDFVersion Superclass for classes each belonging to a specific PDF version.
  Rotation Enumeration defining values for image manipulation.
  Standard This enumeration defines constants used in the context of PDF/A validation.
  WhitespaceProcessing Constants providing whitespace processing.
  ZugferdVersion Constants for versions of the ZUGFeRD specification.

- Classes in com.pdfunit used by com.pdfunit.filter.region
  Class and Description
  FormatUnit Enumeration containing units and functions to convert between them.

- Classes in com.pdfunit used by com.pdfunit.messages
  Class and Description
  AccessPermission Enumeration, which contains all (known) access permissions.
  CertificationLevel This class defines the certification levels.
  DocumentFormat This class defines the tollerance for PDF formats according to ISO 216 and DIN 476, described in the german articles Papierformat (Normen) and Papierformat (Wikipedia).
  Standard This enumeration defines constants used in the context of PDF/A validation.

- Classes in com.pdfunit used by com.pdfunit.validators
  Class and Description
  AccessPermission Enumeration, which contains all (known) access permissions.
  CertificationLevel This class defines the certification levels.
  ComparedBy This class is used as a swtich, in which way the embedded files of two PDF documents should be compared.
  DateResolution Enumeration containing formats for DATE and DATETIME.
  DocumentFormat This class defines the tollerance for PDF formats according to ISO 216 and DIN 476, described in the german articles Papierformat (Normen) and Papierformat (Wikipedia).
  FlipDirection Enumeration defining values for image manipulation.
  FormatUnit Enumeration containing units and functions to convert between them.
  PDFVersion Superclass for classes each belonging to a specific PDF version.
  Rotation Enumeration defining values for image manipulation.
  Standard This enumeration defines constants used in the context of PDF/A validation.
  WhitespaceProcessing Constants providing whitespace processing.
  ZugferdVersion Constants for versions of the ZUGFeRD specification.

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