export interface DocumentCacheContextValue {
    /**
     * Returns a cached file when available, or invokes `loader` and caches the result.
     */
    getFile: (url: string, loader: () => Promise<Blob>) => Promise<Blob>;
    /** Clears all cached entries immediately. */
    clearCache: () => void;
}
/** Internal cache record for a loaded or in-flight document blob. */
export interface CacheEntry {
    /** In-flight loader promise used for request coalescing. */
    promise?: Promise<Blob>;
    /** Resolved blob value when loading succeeded. */
    file?: Blob;
    /** Last touch timestamp used for TTL checks and LRU ordering. */
    timestamp: number;
}