Class com.google.common.collect.ImmutableCollection

The superclass changed from java.lang.Object to java.util.AbstractCollection.
Removed interface java.util.Collection.

Removed Methods
boolean containsAll(Collection<?>)
boolean isEmpty()
String toString()

 

Changed Methods
T[] toArray(T[])	Change from non-final to final.
Object[] toArray()	Change from non-final to final.