Cleanup use of Guava library

[yangtools.git] / yang / yang-model-export / src / main / java / org / opendaylight / yangtools / yang / model / export / SchemaContextEmitter.java

diff --git a/yang/yang-model-export/src/main/java/org/opendaylight/yangtools/yang/model/export/SchemaContextEmitter.java b/yang/yang-model-export/src/main/java/org/opendaylight/yangtools/yang/model/export/SchemaContextEmitter.java
index 4e61b4a6f2dc99d6b4cc328363b13296b7cdd588..9a37e3ecfd46c775bac38fb6871d80255fd97955 100644 (file)
--- a/yang/yang-model-export/src/main/java/org/opendaylight/yangtools/yang/model/export/SchemaContextEmitter.java
+++ b/yang/yang-model-export/src/main/java/org/opendaylight/yangtools/yang/model/export/SchemaContextEmitter.java
@@ -8,7 +8,6 @@
 package org.opendaylight.yangtools.yang.model.export;
 
 import com.google.common.annotations.Beta;
-import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Predicates;
 import com.google.common.base.Strings;
@@ -22,6 +21,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;