type Fnc<R> = (this: any, ...args: any[]) => R;
export declare function cache<R, F extends Fnc<R>>(func: F, delay?: number): (this: any, ...args: F extends (...args: infer P) => R ? P : never) => Promise<R>;
export declare function Cache(delay?: number): (target: any, propertyKey: string, descriptor: PropertyDescriptor) => PropertyDescriptor;
export {};