Interfaces
 InterfaceDescription
 IXMLNotifiable The IXMLNotifiable interface.
Classes
 ClassDescription
 ArrayUtil The ArrayUtil utility class is an all-static class with methods for working with arrays within Flex.
 ColorUtil The ColorUtil class is an all-static class with methods for working with RGB colors within Flex.
 GraphicsUtil The Graphics class is an all-static class with utility methods related to the Graphics class.
 LoaderUtil The LoaderUtil class defines utility methods for use with Flex RSLs and generic Loader instances.
 NameUtil The NameUtil utility class defines static methods for creating names for Flex objects.
 ObjectProxy This class provides the ability to track changes to an item managed by this proxy.
 ObjectUtil The ObjectUtil class is an all-static class with methods for working with Objects within Flex.
 OnDemandEventDispatcher OnDemandEventDispatcher serves as a base class for classes that dispatch events but expect listeners to be infrequent.
 OrderedObject OrderedObject acts as a wrapper to Object to preserve the ordering of the properties as they are added.
 StringUtil The StringUtil utility class is an all-static class with methods for working with String objects within Flex.
 UIDUtil The UIDUtil class is an all-static class with methods for working with UIDs (unique identifiers) within Flex.
 XMLNotifier Used for watching changes to XML and XMLList objects.