Cleanup use of Guava library

[yangtools.git] / yang / yang-model-util / src / main / java / org / opendaylight / yangtools / yang / model / util / EffectiveAugmentationSchema.java

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/EffectiveAugmentationSchema.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/EffectiveAugmentationSchema.java
index fecb62294524050219adff94592d89ab7781a5f8..3b36b972d1e80e84e26c54eade68bd63fcfbd17f 100644 (file)
--- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/EffectiveAugmentationSchema.java
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/EffectiveAugmentationSchema.java
@@ -7,13 +7,13 @@
  */
 package org.opendaylight.yangtools.yang.model.util;
 
-import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;