import type { FrameInfo } from "./type.ts";
import type { BitReader } from "@libmedia/common/io";
export declare const MAX_FRAME_HEADER_SIZE = 16;
export declare const MAX_FRAME_VERIFY_SIZE: number;
export declare function getUtf8(reader: BitReader): -1n | int64;
export declare function decodeFrameHeader(bitReader: BitReader, info: Partial<FrameInfo>, check?: boolean): 0 | -2;