docs: @Deprecated
  	public static CalibrationDetectorChessboard chessboard(@Nullable ConfigChessboard configDet ,
  														   ConfigGridDimen configGrid ) {
  		if( configDet == null )
  			configDet = new ConfigChessboard();
  		configDet.checkValidity();
  
  		return new CalibrationDetectorChessboard(configDet,configGrid);
  	}