public void setIsInterface() {
public void setIsInterface() throws UnknownTypeException { if ((flags & CLASS_OR_INTERFACE_KNOWN) != 0 && !isInterface()) throw new UnknownTypeException("Class " + getClassName() + " registered as both class and interface");
	public void setIsInterface() {		flags |= CLASS_OR_INTERFACE_KNOWN;		flags |= IS_INTERFACE;	}