code: public static <T extends ClassLoader> ElementMatcher.Junction<T> isParentOf(ClassLoader classLoader) {
          return classLoader == BOOTSTRAP_CLASSLOADER
                  ? ElementMatchers.<T>isBootstrapClassLoader()
                  : new ClassLoaderParentMatcher<T>(classLoader);
      }
docs: Matches any class loader that is either the given class loader or a parent of the given class loader.
  
  @param classLoader The class loader of which parent class loaders are matched.
  @param <T>         The type of the matched object.
  @return A matcher that matches the given class loader and any class loader that is a parent of the given
  class loader.