export declare class MockFile {
    name: string;
    type: string;
    size: number;
    lastModified: number;
    constructor(parts: (string | Blob | ArrayBuffer | ArrayBufferView)[], name: string, properties?: FilePropertyBag, size?: number);
}
export declare const mockFile: File;
export declare const mockFile2: File;
export declare const mockFile3: File;