{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"self.lower_ty_direct(ty,"}]}
            self.lower_ty_direct(ty, ImplTraitContext::Disallowed(ImplTraitPosition::FnTraitParam))
        let inputs = self.arena.alloc_from_iter(inputs.iter().map(|ty| {
        }));