/**
 * Adds an element to the end of the array, iff the element is not present in the array already
 * @template T
 * @param {T[]} array where
 * @param {T} element what to add
 * @return {boolean} true iff added, false if the array already contains this element
 */
export function array_push_if_unique<T>(array: T[], element: T): boolean;
//# sourceMappingURL=array_push_if_unique.d.ts.map