/*!
 * V4Fire Core
 * https://github.com/V4Fire/Core
 *
 * Released under the MIT license
 * https://github.com/V4Fire/Core/blob/master/LICENSE
 */
/**
 * Decorator for `Function.prototype.once`
 *
 * @decorator
 * @see [[Function.once]]
 */
export declare function once(target: object, key: string | symbol, descriptor: PropertyDescriptor): void;