// no longer legal in JDK 17 svoid replaceACCInClassLoader(O o, AccessControlContext newACC) { /* ClassLoader cl = getClassLoaderOrSame(o); if (cl instanceof URLClassLoader) pcall { setOpt(cl, acc := newACC); try { setOpt((O) getOpt(cl, 'ucp), acc := newACC); } catch e { ifdef replaceACCInClassLoader_fullException printStackTrace(e); endifdef printShortException("replaceACCInClassLoader: ", e); if (java10OrHigher()) if (addDefaultVMOption("--add-opens java.base/jdk.internal.loader=ALL-UNNAMED")) print("Please restart the OS"); } } */ }