export declare function isAsset(file: string): boolean;
export declare function fromAsset(file: string): string;
export declare function toAsset(file: string): string;
interface Options {
    host: string;
    onProgress?: (event: ProgressEvent) => void;
    dir?: string;
}
export declare function uploadAsset(file: File, { host, onProgress, dir }: Options): Promise<any>;
export {};