import type { DB } from '../../data/db/index.js';
export declare function resolveDb(database: string, cacheName: string): DB;
export interface CacheEntryState<T> {
    data: T | undefined;
    loadPromise: Promise<T> | null;
    loadedAt: number | null;
    hits: number;
    misses: number;
}
export declare function createEmptyEntry<T>(): CacheEntryState<T>;
export declare function isExpired<T>(entry: CacheEntryState<T>, ttlMs: number | undefined): boolean;
export declare function getOrLoad<T>(entry: CacheEntryState<T>, ttlMs: number | undefined, doLoad: (entry: CacheEntryState<T>) => Promise<T>): Promise<T>;
export declare function preloadEntry<T>(entry: CacheEntryState<T>, ttlMs: number | undefined, doLoad: (entry: CacheEntryState<T>) => Promise<T>): Promise<void>;
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