Cleanup use of Guava library
[yangtools.git] / yang / yang-model-util / src / test / java / org / opendaylight / yangtools / yang / model / util / PatternConstraintImplTest.java
index 2465bdc4afcfea4a02109ca15da73c9374fcceb4..dadeb1a79367f210698b4b83f9053a089ebdeda3 100644 (file)
@@ -13,7 +13,7 @@ import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
-import com.google.common.base.Optional;
+import java.util.Optional;
 import org.junit.Test;
 
 public class PatternConstraintImplTest {