interface Stream {
    readByte(): number;
    seek(pos: number): void;
}
export default class BitReader {
    private stream;
    private bitOffset;
    private curByte;
    private hasByte;
    constructor(stream: Stream);
    private _ensureByte;
    /**
     * Reads bits from the buffer
     * @param bits Number of bits to read
     */
    read(bits: number): number;
    /**
     * Seek to an arbitrary point in the buffer (expressed in bits)
     * @param pos Position in bits
     */
    seek(pos: number): void;
    /**
     * Reads 6 bytes worth of data using the read method
     */
    pi(): string;
}
export {};