import { AsyncCompletedEventArgs as AsyncCompletedEventArgs_internal } from "./AsyncCompletedEventArgs";
export declare class AsyncCompletedEventArgs {
    protected _implementation: any;
    /**
     * @hidden
     */
    readonly i: AsyncCompletedEventArgs_internal;
    constructor();
    protected _provideImplementation(i: any): void;
    private onImplementationCreated;
    readonly errorMessage: string;
    readonly cancelled: boolean;
    readonly userState: any;
}
