Represents the "PrintPageRange" entry of the viewer preferences dictionary object.

It is an optional entry defined as part of the PDF 1.7 specification.

It contains an array which contains integers, representing PDF numeric objects.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 150, page 365.

Adobe Supplement to the ISO 32000, BaseVersion: 1.7, ExtensionLevel: 3; Table: 8.1, page 28.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 147, page 437.

Supplies the default page range to print as an array of integer pairs, where each pair gives the first and last page number of a range. If absent the viewer uses its default range (typically all pages).