static Class getMainClass() { return mc(); } static Class getMainClass(O o) ctex { if (o == null) null; if (o instanceof Class && eq(((Class) o).getName(), "x30")) ret (Class) o; ClassLoader cl = (o instanceof Class ? (Class) o : o.getClass()).getClassLoader(); if (cl == null) null; S name = mainClassNameForClassLoader(cl); ret loadClassFromClassLoader_orNull(cl, name); }