export declare const ACKED_DEATH_CONSECUTIVE_READ_FAILURES = 3;
export declare function resolveTunedReconcileMs(envName: string, def: number, min: number, max: number): number;
export declare function resolveAckedDeathDeadlineMs(): number;
export declare function resolveAckedTranscriptFastTrackGraceMs(): number;
export interface AckedHoldState {
    liveConfirmedSinceAck: boolean;
    consecutiveReadFailures: number;
    transcriptIdleSinceMs?: number;
}
export declare const inFlightAckedHoldState: Map<string, AckedHoldState>;
export declare function inFlightSynthKey(meshId: string, taskId: string): string;
export declare function getHoldState(synthKey: string, meshId: string): AckedHoldState | undefined;
export declare function setHoldState(synthKey: string, meshId: string, state: AckedHoldState): void;
export declare function deleteHoldState(synthKey: string, meshId: string): void;
export declare function rehydrateAckedHoldsForMesh(meshId: string): void;
export declare function collectHeldSynthKeysForMesh(meshId: string): Set<string>;
export declare function __resetReconcileInFlightSynthDebounceForTests(): void;
