/**
 * @public
 * Populates a `Map` given a key creating function and `ArrayLike`.
 *
 * @remarks
 * keys which are null are omitted.
 *
 * See {@link arrayIndex}.
 */
export declare function arrayIndex<TKey, TItem>(items: ArrayLike<TItem>, getKey: (item: TItem, index: number) => TKey | null): Map<Exclude<TKey, null>, TItem>;
//# sourceMappingURL=array-index.d.ts.map