{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"UnconfiguredCode"}]}
    UnconfiguredCode { ast_id: ErasedAstId, cfg: CfgExpr, opts: CfgOptions },
    UnresolvedImport { id: AstId<ast::Use>, index: Idx<ast::UseTree> },
    UnresolvedMacroCall { ast: MacroCallKind, path: ModPath },