export declare function filterCodexResponsesTools(body: unknown): unknown;
export declare function ensureCodexLlmrouterCompatProxy(upstreamBaseUrl: string): Promise<string>;
export declare function resetCodexLlmrouterCompatProxyForTests(): Promise<void>;
export declare function setCodexLlmrouterCompatProxyDiagnosticPathForTests(path: string): void;
