The flash.filesystem package contains classes used in accessing the filesystem. This package is only available to content running in the Adobe Integrated Runtime.

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	Class	Description
	File	A File object represents a path to a file or directory.
	FileMode	The FileMode class defines string constants used in the fileMode parameter of the open() and openAsync() methods of the FileStream class.
	FileStream	A FileStream object is used to read and write files.