/**
 * Indicates the object is able to handle events.
 *
 * @export
 * @interface IBaseEventHandling
 * @template TEventHandler The event handler type.
 */
export interface IBaseEventHandling<TEventHandler> {
    /**
     * Subscribe to the event with the specified name.
     *
     * @param {string} name The name of the event.
     * @param {TEventHandler} fn The event handler that is called when the event is dispatched.
     *
     * @memberOf IBaseEventHandling
     */
    subscribe(name: string, fn: TEventHandler): void;
    /**
     * Subscribe to the event with the specified name.
     *
     * @param {string} name The name of the event.
     * @param {TEventHandler} fn The event handler that is called when the event is dispatched.
     *
     * @memberOf IBaseEventHandling
     */
    sub(name: string, fn: TEventHandler): void;
    /**
     * Unsubscribe from the event with the specified name.
     *
     * @param {string} name The name of the event.
     * @param {TEventHandler} fn The event handler that is will be unsubsribed from the event.
     *
     * @memberOf IBaseEventHandling
     */
    unsubscribe(name: string, fn: TEventHandler): void;
    /**
     * Unsubscribe from the event with the specified name.
     *
     * @param {string} name The name of the event.
     * @param {TEventHandler} fn The event handler that is will be unsubsribed from the event.
     *
     * @memberOf IBaseEventHandling
     */
    unsub(name: string, fn: TEventHandler): void;
    /**
     * Subscribe once to the event with the specified name.
     *
     * @param {string} name The name of the event.
     * @param {TEventHandler} fn The event handler that is called when the event is dispatched.
     *
     * @memberOf IBaseEventHandling
     */
    one(name: string, fn: TEventHandler): void;
    /**
     * Checks it the event has a subscription for the specified handler.
     * @param {string} name The name of the event.
     * @param {TEventHandler} fn The event handler that is called when the event is dispatched.
     *
     * @memberOf IBaseEventHandling
     */
    has(name: string, fn: TEventHandler): boolean;
}