How to use

getClassCache

method

in

org.jboss.resteasy.core.MediaTypeMap

/**
 * Clear any instances of the given type from the {@link MediaTypeMap} by replacing them with the placeholder.
 *
 * Unfortunately removing the entries is tricky as they're scattered across multiple read-only nested maps.
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
private static <T> void clearInstancesOf(Class type, MediaTypeMap<SortedKey<T>> mediaTypeMap, T placeholder) {
 for (SortedKey key : mediaTypeMap.getPossible(MediaType.WILDCARD_TYPE)) {
  if (type.isInstance(key.obj)) {
   key.readerClass = Void.class;
   key.template = Void.class;
   key.obj = placeholder;
  }
 }
 mediaTypeMap.getClassCache().clear();
}