Looks up the destination a name object names (PDF 1.1).
public PdfExplicitDestination? GetNamedDestination(CosName name)
The destination's name.
null; see GetNamedDestination(String).ISO 32000-2 §12.3.2.4 and Annex J.3.4: the catalog's Dests dictionary first, then the Dests tree, by bytes.