import { AsyncSequence } from "../../sequency";
export declare class Associate {
    /**
     * Transforms each element into a key-value pair and returns the results as map. In case of
     * duplicate keys the last key-value pair overrides the other.
     *
     * @param {(value: T) => Promise<[K, V]> | [K, V]} transform
     * @returns {Promise<Map<K, V>>}
     */
    associate<T, K, V>(this: AsyncSequence<T>, transform: (value: T) => Promise<[K, V]> | [K, V]): Promise<Map<K, V>>;
}