code: @Override
      public Map<String, String[]> getClassProperties(final String name, final String... propertyNames) throws DevFailed {
          return cache.getClassProperties(name, propertyNames);
      }
docs: Get a class properties. (execute DbGetClassPropertyList on DB device)
  
  @param name
  The class name
  @param propertyNames
  The properties names
  @return
  @throws DevFailed