{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"hir::TraitItemKind::Fn(_,"}]}
                hir::TraitItemKind::Fn(_, hir::TraitFn::Provided(_)) => true,
                hir::TraitItemKind::Const(_, ref default) => default.is_some(),
                hir::TraitItemKind::Fn(_, hir::TraitFn::Required(_))