It contains various type safe methods as well as other useful features like deep copying.

It also provides the following decorators:

• fixedSizeMap(Map)
• fixedSizeSortedMap(SortedMap)
• lazyMap(Map, Factory)
• lazyMap(Map, Transformer)
• lazySortedMap(SortedMap, Factory)
• lazySortedMap(SortedMap, Transformer)
• predicatedMap(Map, Predicate, Predicate)
• predicatedSortedMap(SortedMap, Predicate, Predicate)
• transformedMap(Map, Transformer, Transformer)
• transformedSortedMap(SortedMap, Transformer, Transformer)
• typedMap(Map, Class, Class)
• typedSortedMap(SortedMap, Class, Class)
• multiValueMap(Map)
• multiValueMap(Map, Class)
• multiValueMap(Map, Factory)