export declare const demoSrc = "https://images.unsplash.com/photo-1567945716310-4745a6b7844b?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=300&q=60";
export declare function mockUpload(file: File): Promise<{
    url: string;
}>;
export declare function mockUploadFail(): Promise<void>;