import { D as Deduped } from './Deduped-BcgFsruc.js';
import { I as IterableContainer } from './IterableContainer-CtfinwiH.js';
import './NonEmptyArray-C9Od1wmF.js';

/**
 * Returns a new array containing only one copy of each element in the original
 * list. Elements are compared by reference using Set.
 *
 * @param data - The array to filter.
 * @signature
 *    R.unique(array)
 * @example
 *    R.unique([1, 2, 2, 5, 1, 6, 7]) // => [1, 2, 5, 6, 7]
 * @dataFirst
 * @lazy
 * @category Array
 */
declare function unique<T extends IterableContainer>(data: T): Deduped<T>;
/**
 * Returns a new array containing only one copy of each element in the original
 * list. Elements are compared by reference using Set.
 *
 * @signature
 *    R.unique()(array)
 * @example
 *    R.pipe(
 *      [1, 2, 2, 5, 1, 6, 7], // only 4 iterations
 *      R.unique(),
 *      R.take(3)
 *    ) // => [1, 2, 5]
 * @dataLast
 * @lazy
 * @category Array
 */
declare function unique(): <T extends IterableContainer>(data: T) => Deduped<T>;

export { unique };