/**
 * transforms `Iterable` into `Map` and returns the result
 *
 * @param iterable - the `Iterable` object
 * it should yield entries like `[key: any, value: any]`
 *
 * @param init - initial `Map` to add values to
 * if not specified empty `Map` is taken
 *
 * @returns the `Map` of entries from the specified `Iterable` object
 *
 * @example
 * function* gen(): Generator<Entry<{ key: string }, number>> {
 *   yield [{ key: 'foo' }, 1];
 *   yield [{ key: 'bar' }, 2];
 * }
 *
 * // Map<[[{ key: 'foo' }, 1], [{ key: 'bar' }, 2]]>
 * intoMap(gen());
 *
 * // Map<[[{ key: 'zero' }, 0], [{ key: 'foo' }, 1], [{ key: 'bar' }, 2]]>
 * intoMap(gen(), new Map([[{ key: 'zero' }, 0]]));
 */
export declare function intoMap<K, V>(iterable: Iterable<Entry<K, V>>, init?: Map<K, V>): Map<K, V>;
/**
 * transforms `AsyncIterable` into `Map` and returns `Promise` with the result
 *
 * @param iterable - the `AsyncIterable` object
 * it should yield entries like `[key: any, value: any]`
 *
 * @param init - initial `Map` to add values to
 * if not specified empty `Map` is taken
 *
 * @returns `Promise` with the `Map` of entries from the specified `AsyncIterable` object
 *
 * @example
 * function* gen(): AsyncGenerator<Entry<{ key: string }, number>> {
 *   yield [{ key: 'foo' }, 1];
 *   yield [{ key: 'bar' }, 2];
 * }
 *
 * // Promise<Map<[[{ key: 'foo' }, 1], [{ key: 'bar' }, 2]]>>
 * intoMap(gen());
 *
 * // Promise<Map<[[{ key: 'zero' }, 0], [{ key: 'foo' }, 1], [{ key: 'bar' }, 2]]>>
 * intoMap(gen(), new Map([[{ key: 'zero' }, 0]]));
 */
export declare function intoMap<K, V>(iterable: AsyncIterable<Entry<K, V>>, init?: Map<K, V>): Promise<Map<K, V>>;
/**
 * service overload
 */
export declare function intoMap<K, V>(iterable: AnyIterable<Entry<K, V>>, init?: Map<K, V>): Promisify<Map<K, V>>;