@Nullable
  private Class<?> _findClass(@NotNull String name) {
    Resource resource = getClassPath().getResource(name.replace('.', '/') + CLASS_EXTENSION);
    if (resource == null) {
      return null;
    }

    try {
      return defineClass(name, resource);
    }
    catch (IOException e) {
      LoggerRt.getInstance(UrlClassLoader.class).error(e);
      return null;
    }
  }
@Nullable
  private Class<?> _findClass(@NotNull String name)