export declare function addPendingInvalidation(prefix: string): void;
export declare function removePendingInvalidation(prefix: string): void;
export declare function isPrefixBeingInvalidated(prefix: string): boolean;
export declare function getPendingInvalidationsCount(): number;
export declare function getInvalidationDebugState(): {
    pendingCount: number;
    totalBlockedReads: number;
    entries: Array<{
        prefix: string;
        ageMs: number;
        startedAt: number;
        count: number;
    }>;
};
export declare function clearAllPendingInvalidations(): void;
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