Consumer<T> Compat version of Consumer 
Pools.Pool<T> Interface for managing a pool of objects. 
Predicate<T> Compat version of Predicate 
Supplier<T> Compat version of Supplier 


AtomicFile Static library support version of the framework's AtomicFile, a helper class for performing atomic operations on a file by creating a backup file until a write has successfully completed. 
ObjectsCompat This class consists of static utility methods for operating on objects. 
Pair<F, S> Container to ease passing around a tuple of two objects. 
PatternsCompat Commonly used regular expression patterns. 
Pools Helper class for creating pools of objects. 
Pools.SimplePool<T> Simple (non-synchronized) pool of objects. 
Pools.SynchronizedPool<T> Synchronized) pool of objects.