import { t as Maybe } from "./Maybe-BVpZiDsE.cjs";

//#region src/functions/groupBy/groupBy.d.ts
/**
 * Takes an array and returns an object with the keys of the array mapped to the items of the array.
 * @param array The array to iterate over.
 * @param getter The function used to extract the key from each element.
 * @returns An object with the keys mapped to the elements.
 * @example
 * ```ts
 * groupBy(
 *   [
 *     { id: 'a', value: 1 },
 *     { id: 'b', value: 1 },
 *     { id: 'c', value: 2 },
 *   ],
 *   (item) => item.value
 * )
 * // {
 * //   1: [
 * //     { id: 'a', value: 1 },
 * //     { id: 'b', value: 1 },
 * //   ],
 * //   2: [
 * //     { id: 'c', value: 2 },
 * //   ],
 * // }
 * ```
 */
declare function groupBy<T, K extends string>(array: Maybe<readonly T[]>, getter: (item: T) => K): Partial<Record<K, T[]>>;
//#endregion
export { groupBy as t };
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