export function filter(arr: any, iter: any): Promise<any[]>;
export function some(arr: any, iter: any): Promise<boolean>;
export function every(arr: any, iter: any): Promise<boolean>;
export function map(arr: any, iter: any): Promise<any[]>;
export function reduce(arr: any, iter: any, defaultValue: any): Promise<any>;
declare namespace _default {
    export { filter };
    export { some };
    export { every };
    export { map };
    export { reduce };
}
export default _default;