function unHookSync(rs) {
  if (! rs._dropboxOrigSync) { return; } // not hooked
  rs.sync.sync = rs._dropboxOrigSync;
  delete rs._dropboxOrigSync;
}
function unHookSync(rs) {
  if (! rs._dropboxOrigSync) { return; } 
  rs.sync.sync = rs._dropboxOrigSync;
  delete rs._dropboxOrigSync;
}
function unHookSync ( rs ) { if ( ! rs . _dropboxOrigSync ) { return ; } // not hooked rs . sync . sync = rs . _dropboxOrigSync ; delete rs . _dropboxOrigSync ; }
Unhooking the sync

TODO: document
Unhooking the sync