declare class GlobalCache {
    private static readonly instance;
    private readonly cache;
    private constructor();
    static getInstance(): GlobalCache;
    set<T>(key: string, value: T): void;
    get<T>(key: string): T | undefined;
    has(key: string): boolean;
    delete(key: string): void;
    clear(): void;
}
declare const globalCache: GlobalCache;
export { globalCache };