r typeFinder) { this.expectedType = typeFinder.findExpectedType(getClass()); } /** * Subclasses should implement this. The item will already have been checked for * the specific type and will never be null. */ protected abstract boolean matchesSafely(T item); /** * Subclasses should override this. The item will already have been checked for * the specific type and will never be null. */ protected void describeMismatchSafe(T item, Description mismatchDescription) { super.describeMismatch(item, mismatchDescription);...