/**
 * Removes the first occurrence of a specified item from an array.
 *
 * @template T - The type of elements in the array.
 * @param {T[]} array - The array from which to remove the item.
 * @param {T} item - The item to remove from the array.
 * @returns {boolean} - Returns `true` if the item was found and removed, otherwise `false`.
 */
export declare function removeArrayItem<T>(array: T[], item: T): boolean;