pub trait PdfDocumentDelegate: 'static {
// Provided methods
fn handle_notification(&mut self, _notification: PdfDocumentNotification) { ... }
fn did_match_string(&mut self, _instance: PdfSelection) { ... }
fn page_class_name(&mut self) -> Option<String> { ... }
fn annotation_class_name(
&mut self,
_annotation_type: &str,
) -> Option<String> { ... }
}