+gboolean ev_document_has_synctex (EvDocument *document);
+
+EvSourceLink *ev_document_synctex_backward_search
+ (EvDocument *document,
+ gint page_index,
+ gfloat x,
+ gfloat y);
+
+EvMapping *ev_document_synctex_forward_search
+ (EvDocument *document,
+ EvSourceLink *source_link);