|   | Interface | Description | 
|---|
|   | IAdvancedExtendedDataGrid | 
	 Attributes specific to the Advanced Flex DataGrid
	  | 
|   | IClassicExtendedDataGrid | 
	 Attributes specific to the Class Flex DataGrid
	  | 
|   | IColumnRow | 
	 Interface to abtract out functionality in the filter/footer layout mechanism
	  | 
|   | IPersistable | 
	 An object that can persist it's state into a serializable string and can
	 load itself back from that serializable string. | 
|   | IPrintable | 
	 A interface so we can write code that targets
	 both anything that can be printed using the print mechanism
	  | 
|   | ISelectAllColumn |   |