The mx.controls.treeClasses package contains the classes used by the Tree control.

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	Interface	Description
	ITreeDataDescriptor	Interface providing methods for parsing and adding nodes to a collection of data that is displayed by a Tree control.
	ITreeDataDescriptor2	The ITreeDataDescriptor2 Interface defines methods for parsing and adding nodes to a collection of data that is displayed by a Tree control.

	Class	Description
	DefaultDataDescriptor	The DefaultDataDescriptor class provides a default implementation for accessing and manipulating data for use in controls such as Tree and Menu.
	TreeItemRenderer	The TreeItemRenderer class defines the default item renderer for a Tree control.
	TreeListData	The TreeListData class defines the data type of the listData property implemented by drop-in item renderers or drop-in item editors for the Tree control.