export declare class BytesUtils {
    /**
     * Switches endianness of a byte array
     */
    static switchEndianness(bytes: Uint8Array): Uint8Array;
    /**
     * Builds a BigInt from a big-endian Uint8Array
     * @param bytes The big-endian bytes to convert
     * @returns The resulting BigInt in big-endian format
     */
    static buildBigIntFromUint8ArrayBE(bytes: Uint8Array): bigint;
    /**
     * Switches endianness of a bigint value
     * @param value The bigint value to switch endianness for
     * @returns The bigint value with reversed endianness
     */
    static switchEndiannessBigInt(value: bigint): bigint;
    /**
     * Converts a big-endian bigint to a 32-byte big-endian Uint8Array
     * @param value The big-endian bigint to convert
     * @returns A 32-byte big-endian Uint8Array
     */
    static bigIntToUint8Array32BE(value: bigint): Uint8Array;
    /**
     * Writes an unsigned integer to a buffer in little-endian format
     */
    static writeUIntLE(buf: Uint8Array, value: number, offset: number, byteLength: number, noAssert?: boolean): Uint8Array;
    /**
     * Fills with zeros to set length
     * @param array little endian Uint8Array
     * @param length amount to pad
     * @returns little endian Uint8Array padded with zeros to set length
     */
    static zeroPadLE(array: Uint8Array, length: number): Uint8Array;
    static checkInt(buf: Uint8Array, value: number, offset: number, ext: number, max: number, min: number): void;
    /**
     * Concatenate Uint8Arrays
     * @param input
     * @returns concatenation of all Uint8Array received as input
     */
    static concatenate(...input: Uint8Array[]): Uint8Array;
}