code: public static <T extends Config> T getOrCreate(Class<? extends T> clazz, Map<?, ?>... imports) {
          return getOrCreate(ConfigFactory.INSTANCE, clazz, clazz, imports);
      }
docs: Gets from the cache or create, an instance of the given class using the given imports.
  The factory used to create new instances is the static {@link ConfigFactory#INSTANCE}.
  
  @param clazz     the interface extending from {@link Config} that you want to instantiate.
  @param imports   additional variables to be used to resolve the properties.
  @param <T>       type of the interface.
  @return          an object implementing the given interface, that can be taken from the cache,
  which maps methods to property values.