Interface com.google.common.util.concurrent.ClosingFuture.Combiner3.ClosingFunction3

Changed Methods
U apply(DeferredCloser, V1, V2, V3)	Change in return type from (U extends Object) to U. Change in signature from (DeferredCloser, V1 extends Object, V2 extends Object, V3 extends Object) to (DeferredCloser, V1, V2, V3).	Applies this function to three inputs, or throws an exception if unable to do so.