{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"tcx.fn_sig(impl_m_def_id).skip_binder().bound_vars(),"}]}
        tcx.fn_sig(impl_m_def_id).skip_binder().bound_vars(),
        tcx.fn_sig(trait_m_def_id).skip_binder().bound_vars(),
    )