docs: public static <T extends Config> T create(Class<? extends T> clazz, Map<?, ?>... imports) {
          for( Map<?, ?> map : imports ){
              for( Object key : map.keySet() ){
                  if( key == null || map.get(key) == null){
                      throw new IllegalArgumentException(String.format("An import contains a null value for key: '%s'", key));
                  }
              }
          }
          return INSTANCE.create(clazz, imports);
      }