import { type DataCacheStrategy } from './data-cache-strategy.js';
export declare class DataCacheInFileSystemStrategy implements DataCacheStrategy {
    private cacheDir;
    private cacheFileExt;
    constructor(cacheDir: string, cacheFileExt?: string);
    set<T>(key: string, value: T): Promise<void>;
    get<T>(key: string): T | undefined;
    get<T>(key: string, getDefault?: () => Promise<T> | T): Promise<T>;
    delete(key: string): Promise<void>;
    clear(): Promise<void>;
    private getCacheFilePath;
    private getFromCache;
}