{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"(trait_def_id,"}]}
    (trait_def_id, assoc_ident): (DefId, Ident),
    tcx: TyCtxt<'tcx>,
) -> ty::EarlyBinder<'tcx, &'tcx [(ty::Clause<'tcx>, Span)]> {