{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"hir::MutTy"}]}
        hir::MutTy { ty: self.lower_ty(&mt.ty, itctx), mutbl: mt.mutbl }
    fn lower_mt(&mut self, mt: &MutTy, itctx: ImplTraitContext) -> hir::MutTy<'hir> {
    }