/**
 * Returns a unique union of elements of two arrays
 *
 * @example
 * arrUnion([1, 2, 3, 4, 5], [1, 3, 5, 7]);
 * => [1, 2, 3, 4, 5, 7]
 *
 * @param a - First array
 * @param b - Second array
 */
export declare const arrUnion: <Type extends unknown[]>(a: unknown[], b: unknown[]) => Type;
export { arrUnion as arrayUnion, arrUnion as arrayMerge };
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