{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"icx.tcx().local_def_id_to_hir_id(def_id),"}]}
        icx.tcx().local_def_id_to_hir_id(def_id),
    icx.lowerer().lower_fn_ty(
        sig.header.safety(),