{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"self.try_to_value()?.try_to_target_usize(tcx)"}]}
        self.try_to_value()?.try_to_target_usize(tcx)
    pub fn try_to_target_usize(self, tcx: TyCtxt<'tcx>) -> Option<u64> {
    }