/**
 * Ensures that the string starts with the given prefix.
 * @param string The string to ensure the prefix of.
 * @param prefix The prefix to ensure.
 * @returns The string with the given prefix.
 * @example
 * ```ts
 * ensurePrefix('foo', 'bar'); // 'barfoo'
 * ensurePrefix('foobar', 'foo'); // 'foobar'
 * ```
 */
declare function ensurePrefix<S extends string, Prefix extends string>(string: S, prefix: Prefix): EnsurePrefix<S, Prefix>;
type EnsurePrefix<S extends string, Prefix extends string> = S extends `${Prefix}${infer _Suffix}` ? S : `${Prefix}${S}`;

export { ensurePrefix };