Documentation for classes includes syntax, usage information, and code samples for methods, properties, and event handlers and listeners for those APIs that belong to a specific class in ActionScript. The classes are listed alphabetically. If you are not sure to which class a certain method or property belongs, you can look it up in the Index.

	Class	Package	Description
	AbstractButtonRow	com.yahoo.astra.fl.controls	Abstract class that extends UIComponent and creates a row of buttons.
	AccImpl	fl.accessibility	The AccImpl class, also called the Accessibility Implementation class, is the base class for the implementation of accessibility in components.
	AdvancedLayoutPane	com.yahoo.astra.fl.containers.layoutClasses	Adds support for padding and configurations to the BaseLayoutPane.
	AlertManager	com.yahoo.astra.fl.managers	The AlertManager class extends UIComponent and manages the queuing and displaying of Alerts.
	Animation	com.yahoo.astra.animation	An ultra lightweight animation engine.
	AnimationEvent	com.yahoo.astra.animation	The AnimationEvent class represents events that are broadcast by the com.yahoo.astra.animation.Animation class.
	AudioClip	com.yahoo.astra.fl.controls.mediaPlayerClasses	The AudioClip class extends the EventDispatcher class and wraps the Sound, SoundChannel, SoundLoaderContext and SoundTransform classes.
	AudioPlayback	com.yahoo.astra.fl.controls	The AudioPlayback class extends the UIComponent class and creates a set of controls for audio playback.
	AutoComplete	com.yahoo.astra.fl.controls	The AutoComplete control works like a TextInput control, but can pop up a list of suggestions based on text entered.
	AutoCompleteCellRenderer	com.yahoo.astra.fl.controls.autoCompleteClasses	The AutoCompleteCellRenderer is the default cell renderer for AutoComplete, adding support for highlighted items.
	AutoSizeButton	com.yahoo.astra.fl.controls.containerClasses	AutoSizeButton extends Button and create a button that sizes itself based on the size of its label and fires a change event when the button is resized.
	AxisData	com.yahoo.astra.fl.charts.axes	Positioning and other data used by an IAxisRenderer to draw items like ticks.
	AxisLabelUtil	com.yahoo.astra.utils	Used to measure dimensions for BitmapText objects.
	AxisOrientation	com.yahoo.astra.fl.charts.axes	Orientation values available to IAxis objects.
	BarChart	com.yahoo.astra.fl.charts	A chart that displays its data points with horizontal bars.
	BarSeries	com.yahoo.astra.fl.charts.series	Renders data points as a series of horizontal bars.
	BaseAxis	com.yahoo.astra.fl.charts.axes	Implements some of the most common axis functionality to prevent duplicate code in IAxis implementations.
	BaseButton	fl.controls	The BaseButton class is the base class for all button components, defining properties and methods that are common to all buttons.
	BaseLayoutMode	com.yahoo.astra.layout.modes	Some basic properties shared by multiple ILayoutMode implementations.
	BaseLayoutPane	com.yahoo.astra.fl.containers.layoutClasses	A variation on the ScrollPane container that accepts children to be arranged using a layout algorithm.
	BaseScrollPane	fl.containers	The BaseScrollPane class handles basic scroll pane functionality including events, styling, drawing the mask and background, the layout of scroll bars, and the handling of scroll positions.
	BitmapText	com.yahoo.astra.display	BitmapText is a class that can be used to create rotating text fields with device fonts.
	BorderConstraints	com.yahoo.astra.layout.modes	Constraint values available in BorderLayout.
	BorderLayout	com.yahoo.astra.layout.modes	Arranges a DisplayObjectContainer's children using a page-like border algorithm.
	BorderPane	com.yahoo.astra.fl.containers	A container that arranges its children similar to a non-scrolling document page.
	BoxCarouselRenderer	com.yahoo.astra.fl.controls.carouselClasses	A Carousel renderer that displays items in a horizontal row or a vertical column.
	BoxLayout	com.yahoo.astra.layout.modes	Arranges a DisplayObjectContainer's children in a single column or row.
	BoxPane	com.yahoo.astra.fl.containers	A scrolling container that arranges its children one after the other in a row or column.
	BranchNode	com.yahoo.astra.fl.controls.treeClasses	The BranchNode is a base class for a node that can contain other nodes as children.
	Button	fl.controls	The Button component represents a commonly used rectangular button.
	ButtonBar	com.yahoo.astra.fl.controls.containerClasses	ButtonBar extends UIComponent and builds one or multiple rows of AutoSizeButton instances depending on the dimensions of its parent container and the size of the buttons
	ButtonLabelPlacement	fl.controls	The ButtonLabelPlacement class defines constants for the values of the labelPlacement property of a Button, CheckBox, or RadioButton component.
	Carousel	com.yahoo.astra.fl.controls	A list-like component that supports custom rendering engines for maximum creative flexibility.
	CarouselAccImpl	com.yahoo.astra.fl.accessibility	The CarouselAccImpl class is used to make a Carousel component accessible.
	CarouselCellRenderer	com.yahoo.astra.fl.controls.carouselClasses	The default cell renderer for the Carousel control.
	CarouselListData	com.yahoo.astra.fl.controls.carouselClasses	List data used by cell renderers that appear in a Carousel.
	CartesianChart	com.yahoo.astra.fl.charts	A chart based on the cartesian coordinate system (x, y).
	CartesianSeries	com.yahoo.astra.fl.charts.series	Functionality common to most series appearing in cartesian charts.
	CategoryAxis	com.yahoo.astra.fl.charts.axes	An axis type representing a set of categories.
	CellRenderer	fl.controls.listClasses	The CellRenderer class defines methods and properties for list-based components to use to manipulate and display custom cell content in each of their rows.
	CellRendererSymbol	com.yahoo.astra.fl.controls	A type of cell renderer that provides simple hooks for designers and quick developer mockups.
	Chart	com.yahoo.astra.fl.charts	Functionality common to most charts.
	ChartEvent	com.yahoo.astra.fl.charts.events	Events related to items appearing in a chart.
	ChartUtil	com.yahoo.astra.fl.charts	Utility functions used throughout the charting framework.
	CircleSkin	com.yahoo.astra.fl.charts.skins	A skin shaped like a circle with a single color.
	ColorPicker	fl.controls	The ColorPicker component displays a list of one or more swatches from which the user can select a color.
	ColorPickerEvent	fl.events	The ColorPickerEvent class defines events that are associated with the ColorPicker component.
	ColumnChart	com.yahoo.astra.fl.charts	A chart that displays its data points with vertical columns.
	ColumnSeries	com.yahoo.astra.fl.charts.series	Renders data points as a series of vertical columns.
	ComboBox	fl.controls	The ComboBox component contains a drop-down list from which the user can select one value.
	ComponentEvent	fl.events	The ComponentEvent class defines events that are associated with the UIComponent class.
	DataChangeEvent	fl.events	The DataChangeEvent class defines the event that is dispatched when the data that is associated with a component changes.
	DataChangeType	fl.events	The DataChangeType class defines constants for the DataChangeEvent.changeType event.
	DataProvider	fl.data	The DataProvider class provides methods and properties that allow you to query and modify the data in any list-based component--for example, in a List, DataGrid, TileList, or ComboBox component.
	DataTipRenderer	com.yahoo.astra.fl.charts	The default renderer for mouse-over data tips.
	DateUtil	com.yahoo.astra.utils	A collection of utility functions for the manipulation and inspection of date and time values.
	DefaultAxisRenderer	com.yahoo.astra.fl.charts.axes	The default axis renderer for a cartesian chart.
	DefaultGridLinesRenderer	com.yahoo.astra.fl.charts.axes	Renders grid lines associated with a cartesian axis.
	DialogBox	com.yahoo.astra.fl.controls.containerClasses	DialogBox extends UIComponent and builds an AlertBox by assembling a TitleBar, MessageBox and ButtonBar
	DialogBoxAccImpl	com.yahoo.astra.fl.accessibility	The DialogBoxAccImpl class is the accessibility class for DialogBox.
	DiamondSkin	com.yahoo.astra.fl.charts.skins	A skin shaped like a diamond with a single color.
	DisplayObjectUtil	com.yahoo.astra.utils	Utility functions for use with DisplayObjects.
	DropdownEvent	com.yahoo.astra.fl.events	The DropdownEvent class represents the event object passed to the event listener for the open and close events.
	DynamicRegistration	com.yahoo.astra.utils	Allows you to manipulate display objects based on a registration point other than the standard (0,0).
	EventTypes	com.yahoo.astra.accessibility	Constants for MSAA accessibility event types available in Flash Player.
	FlowLayout	com.yahoo.astra.layout.modes	Arranges a DisplayObjectContainer's children using a flow algorithm.
	FlowPane	com.yahoo.astra.fl.containers	A scrolling container that arranges its children using a flow algorithm similar to the flow of text in a document or webpage.
	FlValueParser	com.yahoo.astra.fl.utils	Helper class providing easy data collection from UIcomponents.
	FocusAndSelectionFlags	com.yahoo.astra.accessibility	Constants for MSAA accessibility focus and selection flags available in Flash Player.
	FocusManager	fl.managers	The FocusManager class manages focus for a set of components that are navigated by mouse or keyboard as a tab loop.
	Form	com.yahoo.astra.fl.containers	The Form is a layout element containing multiple component items arranged vertically along with the definition for each items.
	FormDataManager	com.yahoo.astra.managers	Collects user input data and validate it before you submit the data to the server.
	FormDataManagerEvent	com.yahoo.astra.events	Event definitions for FormDataManager.
	FormEventObserver	com.yahoo.astra.containers.formClasses	Event obsever class for form classes.
	FormItem	com.yahoo.astra.containers.formClasses	Defines a label and one or more children arranged horizontally or vertically.
	FormItemContainer	com.yahoo.astra.containers.formClasses	FormItemContainer contains, aligns form inputs(DisplayObjects) in LayoutContainer and handles required indicators as part of FormItem.
	FormItemLabel	com.yahoo.astra.containers.formClasses	FormItemLabel contains a label and required indicator in FormItem .
	FormLayoutEvent	com.yahoo.astra.events	Events definitions for Form and FormItem.
	FormLayoutStyle	com.yahoo.astra.containers.formClasses	Style definitions for Form and FormItem.
	GeomUtil	com.yahoo.astra.utils	Utility functions for common geometric operations.
	GraphicsUtil	com.yahoo.astra.utils	Utility functions for drawing to Graphics objects.
	HBoxPane	com.yahoo.astra.fl.containers	A scrolling container that arranges its children in a horizontal row.
	HorizontalAlignment	com.yahoo.astra.layout.modes	A set of constants for horizontal alignment values used by the layout engine.
	IAdvancedLayoutMode	com.yahoo.astra.layout.modes	Defines the methods required for layout modes that have advanced configuration settings for individual children.
	IAxis	com.yahoo.astra.fl.charts.axes	Data-only representation of a chart's axis.
	IAxisRenderer	com.yahoo.astra.fl.charts.axes	A visual representation of an IAxis instance.
	ICarouselLayoutRenderer	com.yahoo.astra.fl.controls.carouselClasses	A swappable layout system for a Carousel component.
	ICartesianAxisRenderer	com.yahoo.astra.fl.charts.axes	Interface for a cartesian chart's axis renderers.
	ICategoryChart	com.yahoo.astra.fl.charts	A type of chart that displays its data in categories.
	ICategorySeries	com.yahoo.astra.fl.charts.series	Defines functions and properties for an ISeries that relies on categories.
	ICellRenderer	fl.controls.listClasses	The ICellRenderer interface provides the methods and properties that a cell renderer requires.
	IChart	com.yahoo.astra.fl.charts	Methods and properties expected to be defined by all charts.
	IClusteringAxis	com.yahoo.astra.fl.charts.axes	An axis that supports clustering.
	IconButton	com.yahoo.astra.fl.controls.mediaPlayerClasses	The IconButton class extends Label button.
	IDataTipRenderer	com.yahoo.astra.fl.charts	A renderer for a mouse-over datatip on a chart.
	IFocusManager	fl.managers	Implement the IFocusManager interface to create a custom focus manager.
	IFocusManagerComponent	fl.managers	The IFocusManagerComponent interface provides methods and properties that give components the capability to receive focus.
	IFocusManagerGroup	fl.managers	The IFocusManagerGroup interface provides properties that are used to manage a set of components of which only one can be selected at a time.
	IForm	com.yahoo.astra.containers.formClasses	Methods and properties expected to be defined by Form Classes.
	IFormDataManager	com.yahoo.astra.managers	Methods expected to be defined by FormDataManager.
	IFormEventObserver	com.yahoo.astra.containers.formClasses	Methods expected to be defined by FormEventObserver.
	IGridLinesRenderer	com.yahoo.astra.fl.charts.axes	A renderer for grid lines appearing on a chart's axis.
	ILayoutContainer	com.yahoo.astra.layout	Defines properties and methods required for layout containers to work with LayoutManager.
	ILayoutMode	com.yahoo.astra.layout.modes	Defines the properties and functions required for layout modes used by ILayoutContainer.
	ILegend	com.yahoo.astra.fl.charts.legend	Properties required by a chart's legend.
	ILegendItemSeries	com.yahoo.astra.fl.charts.series	A series type that can create data for a legend.
	ImageCell	fl.controls.listClasses	The ImageCell is the default cell renderer for the TileList component.
	IMediaClip	com.yahoo.astra.fl.controls.mediaPlayerClasses	The IMediaClip interface provides the methods and properties that a media clip requires.
	IMediaController	com.yahoo.astra.fl.controls.mediaPlayerClasses	The IMediaController interface provides the methods and properties that a media controller requires.
	IMediaView	com.yahoo.astra.fl.controls.mediaPlayerClasses	The IMediaView interface provides the methods and properties that a media view requires.
	InstanceFactory	com.yahoo.astra.utils	Creates an instance of the specified class.
	InvalidationType	fl.core	The InvalidationType class defines InvalidationType constants that are used by the type property of an event object that is dispatched after a component is invalidated.
	IOriginAxis	com.yahoo.astra.fl.charts.axes	An axis with an origin.
	IProgrammaticSkin	com.yahoo.astra.fl.charts.skins	A type of skin that supports color customization.
	IRadialAxisRenderer	com.yahoo.astra.fl.charts.axes	Interface for a chart's axis renderers.
	IRendererContainer	com.yahoo.astra.fl.containers
	ISeries	com.yahoo.astra.fl.charts.series	A renderer for a series displayed on a chart.
	ISeriesItemRenderer	com.yahoo.astra.fl.charts.series	A renderer for an item in a series on a chart.
	IStackedSeries	com.yahoo.astra.fl.charts.series	A type of series that supports stacking.
	IStackingAxis	com.yahoo.astra.fl.charts.axes	A type of axis that allows values to be stacked.
	IValueParser	com.yahoo.astra.utils	Methods expected to be defined by ValueParser and FlValueParser
	Label	fl.controls	A Label component displays one or more lines of plain or HTML-formatted text that can be formatted for alignment and size.
	LabelButton	fl.controls	The LabelButton class is an abstract class that extends the BaseButton class by adding a label, an icon, and toggle functionality.
	LayoutContainer	com.yahoo.astra.layout	Children of this display object are subject to being positioned, and possibly resized, based on a specified layout algorithm.
	LayoutEvent	com.yahoo.astra.layout.events	Events associated with ILayoutContainer objects.
	LayoutManager	com.yahoo.astra.layout	Generic layout manager for DisplayObjects.
	LayoutModeUtil	com.yahoo.astra.layout.modes	Utility functions shared by implementations of ILayoutMode.
	LeafNode	com.yahoo.astra.fl.controls.treeClasses	The LeafNode class is the base class for leaf nodes in the Tree.
	Legend	com.yahoo.astra.fl.charts.legend	Provides a visual reference for the series in a Chart component.
	LegendEvent	com.yahoo.astra.fl.charts.events	Events related to a chart's legend.
	LegendItem	com.yahoo.astra.fl.charts.legend	An item displayed in a chart's Legend.
	LegendItemData	com.yahoo.astra.fl.charts.legend
	LineChart	com.yahoo.astra.fl.charts	A chart that displays its data points with connected line segments.
	LineSeries	com.yahoo.astra.fl.charts.series	Renders data points as a series of connected line segments.
	List	fl.controls	The List component displays list-based information and is ideally suited for the display of arrays of information.
	ListAccImpl	fl.accessibility	The ListAccImpl class, also called the List Accessiblity Implementation class, is used to make a List component accessible.
	ListData	fl.controls.listClasses	ListData is a messenger class that holds information relevant to a specific cell in a list-based component.
	ListEvent	fl.events	The ListEvent class defines events for list-based components including the List, DataGrid, TileList, and ComboBox components.
	MediaController	com.yahoo.astra.fl.controls.mediaPlayerClasses	Implements IMediaController.
	MediaControlsView	com.yahoo.astra.fl.controls.mediaPlayerClasses	MediaControlsView extends UIComponent.
	MediaEvent	com.yahoo.astra.fl.events	The MediaEvent class defines events for the IMediaClip components.
	MediaInfoView	com.yahoo.astra.fl.controls.mediaPlayerClasses	MediaInfoView extends MediaView.
	MediaInfoViewAccImpl	com.yahoo.astra.fl.accessibility	The MediaInfoViewAccImpl class is the accessibility class for MediaInfoView, used in AudioPlayback.
	MediaScrubberView	com.yahoo.astra.fl.controls.mediaPlayerClasses	MediaScrubber extends MediaView implements IMediaView and creates a slider to control cueing and rewinding for a media clip.
	MediaView	com.yahoo.astra.fl.controls.mediaPlayerClasses	MediaView is an abstract class that extends UIComponent, implements the IMediaView interface and defines the functionality for a MediaView class.
	Menu	com.yahoo.astra.fl.controls	The Menu class creates an array of menus from an XML data provider.
	MenuAccImpl	com.yahoo.astra.fl.accessibility	The MenuAccImpl class is used to make a Menu component accessible.
	MenuBar	com.yahoo.astra.fl.controls	The MenuBar extends the UIComponent and manages a MenuButtonRow and corresponding instances of Menu.
	MenuBarAccImpl	com.yahoo.astra.fl.accessibility	The MenuBarAccImpl class is the accessibility class for MenuBar.
	MenuButton	com.yahoo.astra.fl.controls.menuBarClasses	A button type that extends Button and is designed for use with the MenuBar component.
	MenuButtonRow	com.yahoo.astra.fl.controls.menuBarClasses	The MenuButtonRow extends AbstractButtonRow and creates a row of MenuButton instances.
	MenuButtonRowEvent	com.yahoo.astra.fl.events	The MenuButtonRowEvent class defines events for the MenuButtonRow component.
	MenuCellRenderer	com.yahoo.astra.fl.controls.menuClasses	The MenuCellRenderer is the default renderer of a Menu's rows, adding support for branch icons and display of submenus.
	MenuEvent	com.yahoo.astra.fl.events	The MenuEvent class represents events that are associated with menu activities.
	MessageBox	com.yahoo.astra.fl.controls.containerClasses	MessageBox extends UIComponent and creates a text field based on minimum and maximum widths<
	MuteToggleButton	com.yahoo.astra.fl.controls.mediaPlayerClasses	MuteToggleButton extends MediaView and creates an IconButton to toggle the mute state of a media clip.
	MXValidationHelper	com.yahoo.astra.utils	A helper class to be used associated with MX.validators classes.
	NumberUtil	com.yahoo.astra.utils	A collection of utility functions for the manipulation of numeric values.
	NumericAxis	com.yahoo.astra.fl.charts.axes	An axis type representing a numeric range from minimum to maximum with major and minor divisions.
	NumericStepper	fl.controls	The NumericStepper component displays an ordered set of numbers from which the user can make a selection.
	ObjectRoles	com.yahoo.astra.accessibility	Constants for MSAA accessibility roles available in Flash Player.
	ObjectStates	com.yahoo.astra.accessibility	Constants for MSAA accessibility states available in Flash Player.
	PercentageSizeUtil	com.yahoo.astra.layout.modes	Utility functions used for determining pixel-based sizes from percentage-based sizes.
	PieChart	com.yahoo.astra.fl.charts	A chart that displays its data points with pie-like wedges.
	PieSeries	com.yahoo.astra.fl.charts.series	Renders data points as a series of pie-like wedges.
	PlayPauseToggleButton	com.yahoo.astra.fl.controls.mediaPlayerClasses	PlayPauseToggleButton extends MediaView and creates an IconButton to toggle the playing state of a media clip.
	PopUpManager	com.yahoo.astra.fl.managers	A utility for dealing with popups
	RadialAxisRenderer	com.yahoo.astra.fl.charts.axes	The default axis renderer for radial axes.
	RadioButton	fl.controls	The RadioButton component lets you force a user to make a single selection from a set of choices.
	RadioButtonGroup	fl.controls	The RadioButtonGroup class defines a group of RadioButton components to act as a single component.
	RectangleSkin	com.yahoo.astra.fl.charts.skins	A skin shaped like a rectangle with a single color.
	Regular	fl.transitions.easing	The Regular class defines three easing functions to implement accelerated motion with ActionScript animations.
	RequiredIndicator	com.yahoo.astra.containers.formClasses	Attach a required field indicator object to FormItem.
	RootNode	com.yahoo.astra.fl.controls.treeClasses	The RootNode is a special case of a BranchNode that's used to contain the top-level nodes.
	ScaleType	com.yahoo.astra.fl.charts.axes	Scale types available to IAxis objects.
	ScrollBar	fl.controls	The ScrollBar component provides the end user with a way to control the portion of data that is displayed when there is too much data to fit in the display area.
	ScrollBarDirection	fl.controls	Defines the values for the direction property of the ScrollBar component.
	ScrollEvent	fl.events	The ScrollEvent class defines the scroll event that is associated with the ScrollBar component.
	ScrollPolicy	fl.controls	Values for the horizontalScrollPolicy and verticalScrollPolicy properties of the BaseScrollPane class.
	SelectableList	fl.controls	The SelectableList is the base class for all list-based components--for example, the List, TileList, DataGrid, and ComboBox components.
	SelectableListAccImpl	fl.accessibility	The SelectableListAccImpl class, also called the SelectableList Accessibility Implementation class, is used to make a SelectableList component accessible.
	Series	com.yahoo.astra.fl.charts.series	Functionality common to most series.
	SeriesItemRenderer	com.yahoo.astra.fl.charts.series	The primary item renderer class for a chart series.
	SimpleCollectionItem	fl.data	The SimpleCollectionItem class defines a single item in an inspectable property that represents a data provider.
	SlidingCarouselRenderer	com.yahoo.astra.fl.controls.carouselClasses	A Carousel renderer that displays items in a horizontal row or a vertical column.
	StackCarouselRenderer	com.yahoo.astra.fl.controls.carouselClasses	A Carousel renderer that displays one item at a time.
	StackedBarChart	com.yahoo.astra.fl.charts	A chart that displays its data points with horizontal bars that are stacked horizontally.
	StackedBarSeries	com.yahoo.astra.fl.charts.series	A bar series type that stacks.
	StackedColumnChart	com.yahoo.astra.fl.charts	A chart that displays its data points with vertical columns that are stacked vertically.
	StackedColumnSeries	com.yahoo.astra.fl.charts.series	A column series type that stacks.
	Strong	fl.transitions.easing	The Strong class defines three easing functions to implement motion with ActionScript animation.
	StyleManager	fl.managers	The StyleManager class provides static methods that can be used to get and set styles for a component instance, an entire component type, or all user interface components in a Flash document.
	TabBar	com.yahoo.astra.fl.controls	A collection of buttons, or tabs, that may be used for navigation.
	TabBarAccImpl	com.yahoo.astra.fl.accessibility	The TabBarAccImpl class, also called the TabBar Accessibility Implementation class, is used to make a TabBar component accessible.
	TabBarEvent	com.yahoo.astra.fl.events	The TabBarEvent class defines events for the TabBar component.
	TabButton	com.yahoo.astra.fl.controls.tabBarClasses	A button type designed for use with the TabBar component.
	TextArea	fl.controls	The TextArea component is a multiline text field with a border and optional scroll bars.
	TextInput	fl.controls	The TextInput component is a single-line text component that contains a native ActionScript TextField object.
	TextUtil	com.yahoo.astra.utils	Utility class for text fields
	TickPosition	com.yahoo.astra.fl.charts.axes	Position values available to axis ticks.
	TileLayout	com.yahoo.astra.layout.modes	Arranges a DisplayObjectContainer's children using a tiling algorithm.
	TileList	fl.controls	The TileList class provides a grid of rows and columns that is typically used to format and display images in a "tiled" format.
	TileListCollectionItem	fl.data	The TileListCollectionItem class defines a single item in an inspectable property that represents a data provider.
	TileListData	fl.controls.listClasses	TileListData is a messenger class that holds information relevant to a specific cell in the list-based TileListData component.
	TilePane	com.yahoo.astra.fl.containers	A scrolling container that arranges its children using a tiling algorithm where the largest child determines the size of the tiles.
	TimeAxis	com.yahoo.astra.fl.charts.axes	An axis type representing a date and time range from minimum to maximum with major and minor divisions.
	TimeUnit	com.yahoo.astra.utils	A collection of constants for date and time units.
	TitleBar	com.yahoo.astra.fl.controls.containerClasses	TitleBar extends Label, adding a background.
	TNode	com.yahoo.astra.fl.controls.treeClasses	The TNode class is the base class for three different types of node objects that may appear in a Tree component data provider.
	Tree	com.yahoo.astra.fl.controls	The Tree class creates a List-based Tree component that displays hierarchical information.
	TreeAccImpl	com.yahoo.astra.fl.accessibility	The TreeAccImpl class, also called the Tree Accessiblity Implementation class, is used to make a Tree component accessible.
	TreeCellRenderer	com.yahoo.astra.fl.controls.treeClasses	The TreeCellRenderer class defines methods and properties for Tree component to manipulate and display custom cell content in each of its rows.
	TreeDataProvider	com.yahoo.astra.fl.controls.treeClasses	The TreeDataProvider class provides methods and properties that allow you to query and modify the data in a Tree Component.
	TreeEvent	com.yahoo.astra.fl.events	For events that are associated with activities in tree, such as when a tree branch opens or closes.
	TriangleSkin	com.yahoo.astra.fl.charts.skins	A skin shaped like a triangle with a single color.
	Tween	fl.transitions	The Tween class lets you use ActionScript to move, resize, and fade movie clips by specifying a property of the target movie clip to animate over a number of frames or seconds.
	TweenEvent	fl.transitions	The TweenEvent class represents events that are broadcast by the fl.transitions.Tween class.
	UIComponent	fl.core	The UIComponent class is the base class for all visual components, both interactive and noninteractive.
	UIComponentAccImpl	fl.accessibility	The UIComponentAccImpl class, also called the UIComponent Accessibility Implementation class, is used to make a UIComponent accessible.
	UIComponentUtil	com.yahoo.astra.fl.utils	Utility functions for use with UIComponents.
	UILoader	fl.containers	The UILoader class makes it possible to set content to load and to then monitor the loading operation at run time.
	UIScrollBar	fl.controls	The UIScrollBar class includes all of the scroll bar functionality, but adds a scrollTarget() method so it can be attached to a TextField component instance.
	ValueParser	com.yahoo.astra.utils	ValueParser is a helper class that provides easy data collection from an object.
	VBoxPane	com.yahoo.astra.fl.containers	A scrolling container that arranges its children in a vertical column.
	VerticalAlignment	com.yahoo.astra.layout.modes	A set of constants for vertical alignment values used by the layout engine.
	VolumeSlider	com.yahoo.astra.fl.controls.mediaPlayerClasses	VolumeSlider extends MediaView implements IMediaView and creates a slider to control volume for a media clip.
	VolumeSliderAccImpl	com.yahoo.astra.fl.accessibility	The VolumeSliderAccImpl class is the accessibility class for VolumeSlider, used in AudioPlayback.
	XMLDataProvider	com.yahoo.astra.fl.data	The XMLDataProvider class provides a way to use hierarchical XML data in a control
	XMLUtil	com.yahoo.astra.fl.utils	The XMLUtil class is an all-static class with methods for working with XML within Flash.