import type { GapReport } from "./types.js";
export declare class GapReportGenerator {
    private readonly provider;
    private readonly requirements;
    private readonly traces;
    private readonly runs;
    private readonly reqChecker;
    private readonly traceChecker;
    constructor(projectRoot: string);
    /** 生成 task 的 GapReport(聚合 checker + FK 检测 + HMAC 签名)。无 secret throw(fail-closed,报告不可信时不签不发)。 */
    generate(taskId: string): Promise<GapReport>;
    /** 验签 GapReport(防生成后被篡改,如 AI 改 gaps 隐藏缺口)。无 secret/验签失败返 false(fail-closed)。 */
    verify(report: GapReport): Promise<boolean>;
}