export declare const CODEX_QA_DIR = ".mcp-ab-tests/codex-qa";
export declare const CODEX_QA_RUNS_DIR: string;
export declare const CODEX_QA_RESULTS_DIR: string;
export declare const CODEX_QA_CURRENT_SUITE: string;
export declare const CODEX_QA_REPORT = ".mcp-ab-tests/reports/codex-multi-task-locked-report.md";
export declare const CODEX_QA_PROOF_DOC = "docs/proofs/codex-multi-task-locked.md";
export declare function ensureCodexQaDirs(): void;
export declare function suiteTaskDir(taskName: string): string;
export declare function suiteResultPath(taskName: string, mode: string): string;
export declare function writeJson(filePath: string, value: unknown): void;
export declare function readJson<T>(filePath: string): T | null;