package

com.facebook.common.internal

Some internal classes

Interfaces

Supplier<T> A class that can supply objects of a single type. 

Classes

AndroidPredicates Additional predicates. 
ByteStreams Provides utility methods for working with byte arrays and I/O streams. 
Closeables Utility methods for working with Closeable objects. 
CountingOutputStream An OutputStream that counts the number of bytes written. 
Files Provides utility methods for working with files. 
ImmutableList<E> A dummy representation of an immutable set. 
ImmutableMap<K, V> Utility class to create immutable maps. 
ImmutableSet<E> A dummy representation of an immutable set. 
Ints Static utility methods pertaining to int primitives, that are not already found in either Integer or Arrays. 
Objects Helper functions that can operate on any Object
Objects.ToStringHelper Support class for toStringHelper(Class)
Preconditions Static convenience methods that help a method or constructor check whether it was invoked correctly (whether its preconditions have been met). 
Sets Static utility methods pertaining to Set instances. 
Suppliers Wrapper for creating a Supplier. 
Throwables Static utility methods pertaining to instances of Throwable.