interface readIntCfg {
    endian: "big" | "little";
}
export default class BuffReader {
    defaultEndian: "big" | "little";
    constructor(file?: Uint8Array);
    private data;
    private fileSize;
    private _offset;
    get offset(): number;
    get length(): number;
    getData(): Uint8Array;
    readUInt8(): number | false;
    writeUInt8(data: number): void;
    readUInt16(cfg?: readIntCfg): number | false;
    readUInt32(cfg?: readIntCfg): number | false;
    readUInt64(cfg?: readIntCfg): number | false;
    readChar(): number | false;
    writeChar(data: string): void;
    readVarUInt(): number;
    writeVarUInt(data: number): void;
    readStr(): string;
    writeStr(str: string): void;
    check(arr: number[]): number;
    writeArr(arr: Uint8Array | number[]): void;
}
export {};