import { AsyncSequence } from "../../sequency";
export declare class Last {
    /**
     * Returns the last element of the sequence or the last element matching `predicate` if present, otherwise throws
     * an error.
     *
     * @param {(value: T) => Promise<boolean> | boolean} predicate
     * @returns {Promise<T>}
     */
    last<T>(this: AsyncSequence<T>, predicate?: (value: T) => Promise<boolean> | boolean): Promise<T>;
}