description to another matcher. class Every<T> class Is<T> Decorates another Matcher, retaining the behaviour but allowing tests to be slightly more expressive. class IsAnything<T> A matcher that always returns true. class IsCollectionContaini<T> class IsEqual<T> Is the value equal to another value, as tested by the Object.equals(java.lang.Object) invokedMethod? class IsInstanceOf Tests whether the value is an instance of a class. class IsNot<T> Calculates the logical negation of a matcher. class IsNull<T>...