Interfaces
 InterfaceDescription
 IXMLNotifiable The IXMLNotifiable interface.
Classes
 ClassDescription
 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.
 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.