import { EncoderDecoder } from '@iotize/common/converter/api';
export declare const BYTE_SWAP_ORDER_REGEX: RegExp;
export declare class ByteSwapConverter implements EncoderDecoder<Uint8Array, Uint8Array> {
    order: string;
    constructor(order: string);
    encode(input: Uint8Array): Uint8Array;
    decode(input: Uint8Array): Uint8Array;
}
/**
 * Swap byte position
 * B0 represents the first byte from the right
 * BN represents the N byte from the right
 *
 * This function is symetric
 *
 * Example:
 * ```typescript
 * const input = Uint8Array.from([1,2,3,4]);
 * expect(swapBytes(input, 'B2_B3_B0_B1')).to.be.deep.eq(Uint8Array.from([2,1,4,3]));
 * ```
 *
 * @param input array
 * @param order string that defined how to swap bytes
 * @return a new array with byte swap
 */
export declare function swapBytes(input: Uint8Array, order: string): Uint8Array;