*/
package org.opendaylight.controller.sal.connect.netconf.listener;
-import javax.annotation.Nullable;
-import javax.annotation.concurrent.GuardedBy;
-
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.AbstractFuture;
+import javax.annotation.Nullable;
+import javax.annotation.concurrent.GuardedBy;
final class UncancellableFuture<V> extends AbstractFuture<V> {
@GuardedBy("this")