export declare function someAsync<T>(target: ReadonlyArray<T>, condition: (v: T, index: number, arr: ReadonlyArray<T>) => Promise<boolean>): Promise<boolean>;
export declare function everyAsync<T>(target: ReadonlyArray<T>, condition: (v: T, index: number, arr: ReadonlyArray<T>) => Promise<boolean>): Promise<boolean>;
export declare function forEachAsync<T>(target: ReadonlyArray<T>, cb: (v: T, index: number, arr: ReadonlyArray<T>) => Promise<void>): Promise<void>;
export declare function mapAsync<T, R>(target: ReadonlyArray<T>, cb: (v: T, index: number, arr: ReadonlyArray<T>) => Promise<R>): Promise<R[]>;