/**
 * Creates a duplicate-free version of an array, using
 * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
 * for equality comparisons, in which only the first occurrence of each element
 * is kept. The order of result values is determined by the order they occur
 * in the array.
 *
 *
 * @param array The array to inspect.
 * @return Returns the new duplicate free array.
 * @example
 *
 * uniq([2, 1, 2])
 * // => [2, 1]
 */
export declare const unique: <T>(array: T[]) => T[];