Another segment of the class path so that the application developer can customize where classes will be looked for.
This path goes after the application path so that one cannot replace the classes used by the application.
Available in Mac OS X v10.0 through Mac OS X v10.5 and later.
Declaration Syntax Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)