{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":".layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(res_ty))"}]}
            .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(res_ty))
            .tcx
            .unwrap();