Represents the "FixedPrint" entry of the watermark annotation object.

It is an optional entry defined as part of the PDF 1.0 specification.

It contains a FixedPrintElement.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 190, page 411.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 193, page 498.

When present this entry overrides the standard annotation geometry, causing the watermark to be placed by the fixed print dictionary's matrix and page-fraction anchors rather than by the annotation's Rect.