export default class UtilID {
    private static uniqueIDs;
    /**
     * Creates a random string of letters, to be used as an ID.
     * The IDs are not cryptographically secure, don't use this for anything important.
     * There is no garbage collection here, don't forget to use `remove()` if you need to use this for a long time.
     * @param unique If false, simply returns a randomized string
     */
    static make(unique?: boolean): string;
    /**
     * Checks whether the specified ID has been registered
     * @param id String ID to check
     */
    static has(id: string): boolean;
    /**
     * Remove the provided ID from the records.
     * Make sure that the corresponding element has also been removed, to avoid possible collisions
     * @param id String ID to remove
     * @returns true if the ID existed, false otherwise
     */
    static remove(id: string): boolean;
}