import { AsyncSequence } from "../../sequency";
export declare class All {
    /**
     * Returns `true` if all elements match the given `predicate`.
     *
     * @param {(T) => Promise<boolean> | boolean} predicate
     * @returns {boolean}
     */
    all<T>(this: AsyncSequence<T>, predicate: (item: T) => Promise<boolean> | boolean): Promise<boolean>;
}