question: @ CallerSensitive public Class < ? > forClass ( ) { if ( cl == null ) { return null ; } requireInitialized ( ) ; if ( System . getSecurityManager ( ) != null ) { Class < ? > caller = Reflection . getCallerClass ( ) ; if ( ReflectUtil . needsPackageAccessCheck ( caller . getClassLoader ( ) , cl . getClassLoader ( ) ) ) { ReflectUtil . checkPackageAccess ( cl ) ; } } return cl ; }
target:  Return the class in the local VM that this version is mapped to.  Null is returned if there is no corresponding local class.