{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"self.add_constraints_from_invariant_args(current,"}]}
                self.add_constraints_from_invariant_args(current, data.args, variance);
            ty::Alias(ty::Projection | ty::Inherent | ty::Opaque, ref data) => {
            }