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	Class	Description
	FilterHelper	A Helper class that is used to help implementing data filtering feature on a DataGrid.
	FilterItemRenderer	An ItemRenderer class that implements Excel-like data filtering feautre on a DataGrid's header.
	FilterManager	Filtering Manager Class that controls each FilterHelper instance.
	FilterPopUp	PopUp class that extends VBox class to show distinct data of a specific column with CheckBoxes and Buttons.