declare const meshV2BackstopCounters: {
    /** PHASE-4 transcript synthesis actually reconciled a missing completion. */
    phase4SynthesisFired: number;
    /** Acked-hold transcript fast-track promoted a synth ahead of the death deadline. */
    ackedHoldFastTrackFired: number;
    /** Acked-hold death-deadline backstop released a held synth (the 8-min net). */
    ackedHoldDeathDeadlineFired: number;
};
/** Test/observability accessor for the v2 last-resort backstop counters (snapshot). */
export declare function getMeshV2BackstopCounters(): Readonly<typeof meshV2BackstopCounters>;
/** Test helper: zero the backstop counters so a case starts from a clean slate. */
export declare function __resetMeshV2BackstopCountersForTests(): void;
/** Bump a backstop counter and, under enforce, WARN that a last-resort net fired —
 *  which under a healthy v2 contract should not happen (the real emit was lost). */
export declare function recordBackstopFire(kind: keyof typeof meshV2BackstopCounters, detail: string): void;
export {};
