code: @SuppressWarnings("unchecked")
      public static <K> List<K> list(Object o) {
  
          return (List<K>)o;
      }
docs: Provides a wrapper to convert an object into a list that avoids warnings with Java 1.5 generic code.<p>
  
  @param <K> the type of the returned list elements
  @param o the object to be converted
  
  @return a {@link List} with the required generic type