resolveListenable method
Resolve the PdfDocumentListenable for this reference.
Implementation
PdfDocumentListenable resolveListenable() =>
_listenables.putIfAbsent(this, () => PdfDocumentListenable._(this));
Resolve the PdfDocumentListenable for this reference.
PdfDocumentListenable resolveListenable() =>
_listenables.putIfAbsent(this, () => PdfDocumentListenable._(this));