@@ -0,0 +1,950 @@
+/*%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage com.facebook.presto.util;%0A%0Aimport java.util.Optional;%0A%0Apublic class Optionals%0A%7B%0A    private Optionals()%0A    %7B%0A    %7D%0A%0A    public static %3CT%3E Optional%3CT%3E cast(Object object, Class%3CT%3E targetType)%0A    %7B%0A        if (targetType.isInstance(object)) %7B%0A            return Optional.of(targetType.cast(object));%0A        %7D%0A        else %7B%0A            return Optional.empty();%0A        %7D%0A    %7D%0A%7D%0A

Add Optionals util along with Optionals.cast(Object, Class<T>) : Optional<T>