interface Payload {
    id: string;
}
export declare class Loading {
    private duration;
    constructor(duration?: number);
    private id;
    /**
     * present loading
     * @returns
     */
    present(): Promise<Payload>;
    /**
     * dismiss loading
     * @returns
     */
    dismiss(): Promise<Payload>;
}
export declare const loading: {
    create: (duration?: number) => Loading;
};
export {};