{"ast_node_type":"function","tokens":[{"end":93,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn def_ty_with_args(&self, item: DefId, args_ref: GenericArgsRef<'tcx>) -> Ty<'tcx> {
    /// Returns the type of given definition instantiated with the given arguments.
        let def_ty = self.tcx.type_of(item);