Collection utility methods.
| Type Params | Return Type | Name and description | 
|---|---|---|
|  | static java.util.Map | getOrCreateChildMap(java.util.Map parent, java.lang.String key)Gets a child map of the given parent map or returns an empty map if it doesn't exist | 
| <T> | static java.util.List<T> | newList(T... values) | 
| <K, V> | static java.util.Map | newMap(java.lang.Object... keysAndValues) | 
| <T> | static java.util.Set<T> | newSet(T... values) | 
| Methods inherited from class | Name | 
|---|---|
| class java.lang.Object | java.lang.Object#wait(long, int), java.lang.Object#wait(long), java.lang.Object#wait(), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll() | 
Gets a child map of the given parent map or returns an empty map if it doesn't exist
parent -  The parent mapkey -  The key that holds the child map