export declare function sendSwapWidgetCloseEvent(eventTarget: Window | EventTarget): void;
export declare const sendSwapSuccessEvent: (eventTarget: Window | EventTarget, transactionHash: string) => void;
export declare const sendSwapFailedEvent: (eventTarget: Window | EventTarget, reason: string) => void;
export declare const sendSwapRejectedEvent: (eventTarget: Window | EventTarget, reason: string) => void;