This property represents the destination target.
It is a required entry and defined as part of the PDF 1.0
The Target may be a PageObjectElement
or, in the case of a remote destination, an Element containing
a NumAtom indicating a page number. In this case page numbers use a
zero rather than one based index.
In a PDF 2.0 document this property may be a StructureElementElement
indicating the part of the document to which the destination
For definitive details see:.
The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 151,