@GwtCompatible public interface Predicate<T>
Predicates class provides common predicates and related utilities.
See the Guava User Guide article on the use of
input. This method is generally expected, but not absolutely required, to have the following properties:
(a, b)implies that
predicate.apply(a) == predicate.apply(b)).
inputis null and this predicate does not accept null arguments
Most implementations will have no reason to override the behavior of
However, an implementation may also choose to return
object is a
Predicate that it considers interchangeable with this one. "Interchangeable"
typically means that
this.apply(t) == that.apply(t) for all
t of type
T). Note that a
false result from this method does not imply that the
predicates are known not to be interchangeable.
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