Represents the "D" entry of the floating window parameters dictionary object.

It is a required entry defined as part of the PDF 1.0 specification.

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

Items in this array should have a minimum value of 0.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 284, page 500.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 295, page 626.