import type { AlipaySdkEvents } from './AlipaySdkEvent';
export default class AlipaySdkManager {
    private _listeners;
    static instance(): AlipaySdkManager;
    pay(orderInfo: string): Promise<boolean>;
    destroy(): void;
    addListener<EventType extends keyof AlipaySdkEvents>(event: EventType, listener: AlipaySdkEvents[EventType]): void;
    removeListener<EventType extends keyof AlipaySdkEvents>(event: EventType, listener: AlipaySdkEvents[EventType]): void;
    removeAllListener(): void;
}