# Package com.lowagie.text.pdf.internal

- Class Summary
  Class | Description
  --- | ---
  PdfAnnotationsImp |
  PdfVersionImp | Stores the PDF version information, knows how to write a PDF Header, and how to add the version to the catalog (if necessary).
  PdfViewerPreferencesImp | Stores the information concerning viewer preferences, and contains the business logic that allows you to set viewer preferences.
  PdfXConformanceImp |
  PolylineShape | Class that defines a Polyline shape.
  PolylineShapeIterator | PathIterator for PolylineShape.