/**
* @param cls Class.
* @throws IOException If an I/O error occurs while writing stream header.
*/
void writeClass(Class cls) throws IOException {
GridOptimizedClassResolver.writeClass(this, cls, name2id);
}
/**
* @return Class read.
* @throws ClassNotFoundException If the class cannot be located.
* @throws IOException If an I/O error occurs while writing stream header.
*/
Class readClass() throws ClassNotFoundException, IOException {
return GridOptimizedClassResolver.readClass(this, clsLdr, userPreregisteredId2Name);
}