import { Readable } from './readable';
export declare class ReadableBlob implements Readable {
    readonly fileName: string;
    private readonly _blob;
    constructor(fileName: string, blob: Blob);
    get contentType(): string;
    get length(): number;
    open(): Promise<void>;
    close(): Promise<void>;
    slice(start: number, end: number): Promise<Uint8Array>;
}