export interface EventTargetAddListenerOptions {
    once?: boolean;
}
/**
 * @experimental
 */
export declare const EventTargetListeners: unique symbol;
/**
 * @experimental
 */
export declare const EventTargetListenersIgnore: unique symbol;
/**
 * @experimental
 */
export declare const EventTargetListenersMatch: unique symbol;
/**
 * @experimental
 */
export declare const EventTargetListenersThis: unique symbol;