/**
 * Cancelled-child-waiver audit trail.
 *
 * Records waiver entries to `.cleo/audit/cancelled-child-waiver.jsonl` when a
 * caller completes a parent that has `cancelled` children by supplying
 * `--waive-cancelled-children "<reason>"` to bypass the
 * `E_CANCELLED_CHILD_NO_WAIVER` gate.
 *
 * Pattern mirrors `premature-close-audit.ts` (T1632) — one JSONL file per audit
 * concern, created on demand, appended atomically.
 *
 * @saga T10538 (PM-Core V2 agent-trust)
 */
/**
 * A single entry in the cancelled-child-waiver audit file.
 *
 * Written whenever `cleo complete <parentId>` is called while the parent has
 * one or more `cancelled` children AND the caller supplies
 * `--waive-cancelled-children` to bypass the gate.
 */
export interface CancelledChildWaiverAuditEntry {
    /** Parent task ID that was completed despite having cancelled children. */
    parentId: string;
    /**
     * IDs of the cancelled children whose abandoned work was waived. Captured
     * for post-mortem traceability so a reviewer can confirm the cancelled work
     * was genuinely waivable or replaced.
     */
    cancelledChildIds: string[];
    /** Human-readable reason supplied by the caller for waiving the cancelled children. */
    waiverReason: string;
    /** ISO-8601 timestamp of the waiver. */
    timestamp: string;
    /** Agent / user identity that performed the completion. */
    agent: string;
}
/**
 * Append a cancelled-child-waiver entry to the audit file.
 *
 * Creates `.cleo/audit/` if it does not exist and atomically appends a
 * single-line JSON record to `.cleo/audit/cancelled-child-waiver.jsonl`.
 *
 * @param entry - The audit entry to append.
 * @param projectRoot - Absolute path to the project root (defaults to `getProjectRoot()`).
 */
export declare function appendCancelledChildWaiverAudit(entry: CancelledChildWaiverAuditEntry, projectRoot?: string): Promise<void>;
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