The mx.utils package contains Flex utility classes.

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	Class	Description
	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.
	DescribeTypeCache	DescribeTypeCache is a convenience class that is used to cache the return values of flash.utils.describeType() so that calls made subsequent times return faster.
	DescribeTypeCacheRecord	This class represents a single cache entry, this gets created as part of the describeType method call on the DescribeTypeCache class.
	GraphicsUtil	The Graphics class is an all-static class with utility methods related to the Graphics class.
	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.
	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.
	URLUtil	The URLUtil class is a static class with methods for working with full and relative URLs within Flex.
	XMLUtil	The XMLUtil class is an all-static class with methods for working with XML within Flex.