{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"Some(WellFormedLoc::Ty(item.hir_id().expect_owner().def_id)),"}]}
                    Some(WellFormedLoc::Ty(item.hir_id().expect_owner().def_id)),
                    trait_span,
                    trait_ref,