/**
 * Represents an arithmetic decoder for compressed streams using adaptive probability states.
 *
 * @private
 */
export declare class _PdfArithmeticDecoder {
    /**
     * Input data buffer for the arithmetic decoder.
     *
     * @private
     */
    _data: Uint8Array;
    /**
     * Current bit position within the input byte.
     *
     * @private
     */
    _bitPosition: number;
    /**
     * Marks the end position of the input data.
     *
     * @private
     */
    _dataEnd: number;
    /**
     * High register for interval coding.
     *
     * @private
     */
    _high: number;
    /**
     * Low register for interval coding.
     *
     * @private
     */
    _low: number;
    /**
     * Counts available bits in the current buffer.
     *
     * @private
     */
    _bitCount: number;
    /**
     * Current coding range used by the decoder.
     *
     * @private
     */
    _range: number;
    /**
     * Holds the quantization/state transition table for decoding.
     *
     * @private
     */
    _quantizationTable: any;
    constructor(data: any, start: number, end: number);
    /**
     * Reads the next input byte into the arithmetic decoder and updates internal registers.
     *
     * @private
     * @returns {void} nothing.
     */
    _byteIn(): void;
    /**
     * Decodes a single bit using the current probability context and updates the context state.
     *
     * @private
     * @param {any} contexts Probability state array (context models). // eslint-disable-line
     * @param {number} pos Index of the context to use.
     * @returns {number} bit The decoded bit (0 or 1).
     */
    _readBit(contexts: any, pos: number): number;
}