/// <reference types="@cloudflare/workers-types" />
import TarObject, { TarObjectHeader } from './TarObject';
/**
 * Converts tar's octal-encoded numbers into decimal.
 */
export declare function parseOctal(chunk: Uint8Array): number;
/**
 * Converts tar's sometimes-nul-terminated byte strings into strings.
 */
export declare function parseString(chunk: Uint8Array): string;
/**
 * Checks if the high bit is set, per the GNU extension, which allows for big files:
 *
 * "If a file is over 8GiB, it will set the high bit of the first character in file_size,
 * and the rest of the string is parsed as base 256 (i.e it's treated as a 95-bit integer, big endian)."
 *
 * Left unimplemented mostly out of laziness and lack of need on my part.
 */
export declare function parseSize(chunk: Uint8Array): number;
/**
 * Defaults nul types to files.
 */
export declare function parseType([byte]: Uint8Array): string;
/**
 * Walks through the chunk to parse out what we need.
 */
export declare function parseHeader(chunk: Uint8Array): TarObjectHeader;
export type TarParserChunk = {
    chunk: Uint8Array;
    isEmpty: boolean;
};
/**
 * Parses each 512-byte chunk as a tar object.
 */
export default class TarParser {
    protected header: TarObjectHeader | null;
    protected streamWriter: WritableStreamDefaultWriter<Uint8Array> | null;
    protected bytesWritten: number;
    protected lastHeaderWasEmpty: boolean;
    protected p: Promise<void>;
    parse(): TransformStream<TarParserChunk, TarObject>;
}