Detail matchesSafely protected abstract boolean matchesSafely(T item) Subclasses should implement this. The item will already have been checked for the specific type and will never be null. describeMismatchSafe protected void describeMismatchSafe(T item, Description mismatchDescription) Subclasses should override this. The item will already have been checked for the specific type and will never be null. matches public final boolean matches(java.lang.Object item) Methods made final to prevent accidental...