code: public Expression<Byte> in(Byte[] value) {
  		String listNumberString = "";
  		Boolean firstNumber = true;
  		for (Byte v : value) {
  			if (firstNumber) {
  				listNumberString = listNumberString.concat("('").concat(v.toString()).concat("'");
  				firstNumber = false;
  			} else {
  				listNumberString = listNumberString.concat(", '").concat(v.toString()).concat("'");
  			}
  		}
  		listNumberString = listNumberString.concat(")");
  		return new Expression<Byte>(this, Operation.in, listNumberString);
  	}
docs: Method to construct the in expression for byte
  
  @param value the byte array
  @return Expression