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 The nsIPrefLocalizedString interface is simply a wrapper interface for
 nsISupportsString so the preferences service can have a unique identifier
 to distinguish between requests for normal wide strings (nsISupportsString)
 and "localized" wide strings, which get their default values from properites
 files.

 @see nsIPrefBranch
 @see nsISupportsString
 
 @status FROZEN
[scriptable, uuid(ae419e24-1dd1-11b2-b39a-d3e5e7073802)]
interface nsIPrefLocalizedString : nsISupports

Attributes

 Provides access to string data stored in this property.

 @return NS_OK The operation succeeded.
 @return Other An error occured.
attribute wstring data

Methods

 Used to set the contents of this object.

 @param length The length of the string. This value should not include
               space for the null terminator, nor should it account for the
               size of a character. It should  only be the number of
               characters for which there is space in the string.
 @param data   The string data to be stored.

 @note
 This makes a copy of the string argument passed in.

 @return NS_OK The data was successfully stored.
void setDataWithLength(in unsigned long length, [size_is(length)] in wstring data) 
 Used to retrieve the contents of this object into a wide string.

 @return wstring The string containing the data stored within this object.
wstring toString()