docs: public static Class<?> classOrNull(ClassLoader loader, String className)
      {
          try {
              return loader.loadClass(className);
          } catch (ClassNotFoundException ex) {
          } catch (SecurityException ex) {
          } catch (LinkageError ex) {
          } catch (IllegalArgumentException e) {
              // Can be thrown if name has characters that a class name
              // can not contain
          }
          return null;
      }