{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"hir::ImplItemKind::Const(ty,"}]}
                hir::ImplItemKind::Const(ty, _) => vec![ty],
                hir::ImplItemKind::Type(ty) => vec![ty],
                ref item => bug!("Unexpected ImplItem {:?}", item),