export default class IOStream {
    buf: Uint8Array;
    length: number;
    pos: number;
    dataView: DataView;
    constructor(buf: Uint8Array, start_pos?: number, size?: number);
    EOF(): boolean;
    ReadData(len: number): Uint8Array<ArrayBuffer>;
    ReadByte(): number;
    ReadChar(): string;
    ReadUint16(): number;
    ReadUint32(): number;
    ReadString(): string;
    ReadUint7(): number;
    ReadITF8(): number;
}