{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"tcx.def_span(trait_item_def_id),"}]}
            tcx.def_span(trait_item_def_id),
            tcx.local_def_id_to_hir_id(trait_item_def_id),
            errors::SupertraitItemShadowing {