Represents the "Info" entry of the fdf page dictionary object.

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

It contains an Element.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 248, page 463.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 251, page 561.

The Info entry holds additional metadata about the page. The structure of this dictionary is not standardised and is viewer-defined.