declare class VariableLengthIntegerEncoder {
    /**
     * Encodes an integer using a variable-length integer encoding.
     * @param num The number to encode.
     * @returns A Uint8Array representing the encoded integer.
     */
    encode(num: number | bigint): Uint8Array;
}
declare class VariableLengthIntegerDecoder {
    /**
     * Decodes an integer from a Uint8Array using variable-length integer encoding.
     * @param data The Uint8Array to decode.
     * @returns The decoded integer.
     */
    decode(data: Uint8Array): bigint | null;
    getNumBytesForLengthInteger(data: Uint8Array): number;
}
export { VariableLengthIntegerEncoder, VariableLengthIntegerDecoder };