export declare function BlobToFile(blob: Blob, name: string, options?: {
    type?: string;
    lastModified?: number;
}): File;
export declare function FileToBlob(file: File, options?: {
    type?: string;
    endings: "transparent" | "native";
}): Blob;
export declare function BlobToBase64(blob: Blob): Promise<string>;
export declare function Base64ToBlob(base64: string): Blob;
export declare function FileToBase64(file: File): Promise<string>;
export declare function Base64ToFile(base64: string, name: string): File;