question: public static void checkProxyPackageAccess ( Class < ? > clazz ) { SecurityManager s = System . getSecurityManager ( ) ; if ( s != null ) { if ( Proxy . isProxyClass ( clazz ) ) { for ( Class < ? > intf : clazz . getInterfaces ( ) ) { checkPackageAccess ( intf ) ; } } } }
target:  Check package access on the proxy interfaces that the given proxy class implements.