Cleanup use of Guava library

[yangtools.git] / yang / yang-data-impl / src / main / java / org / opendaylight / yangtools / yang / data / impl / schema / tree / AbstractValueNodeModificationStrategy.java

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AbstractValueNodeModificationStrategy.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AbstractValueNodeModificationStrategy.java
index b725c0b0f408b260ca6765183230748f97bd8e87..f7ff505d3b54ef7e17bbfb1ced44f233acf116fc 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AbstractValueNodeModificationStrategy.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AbstractValueNodeModificationStrategy.java
@@ -9,8 +9,8 @@ package org.opendaylight.yangtools.yang.data.impl.schema.tree;
 
 import static com.google.common.base.Preconditions.checkArgument;
 
-import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
+import java.util.Optional;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;