import Sequence from "./Sequence";
export declare class Unzip {
    /**
     * Returns a pair of arrays where the first array contains all first values
     * and the second array all second values from each input pair of the sequence.
     *
     * @returns {[Array<T> , Array<S>]}
     */
    unzip<T, S>(this: Sequence<[T, S]>): [Array<T>, Array<S>];
}