import static org.opendaylight.yangtools.util.concurrent.CommonTestUtils.SUBMIT_CALLABLE;
import static org.opendaylight.yangtools.util.concurrent.CommonTestUtils.SUBMIT_RUNNABLE;
import static org.opendaylight.yangtools.util.concurrent.CommonTestUtils.SUBMIT_RUNNABLE_WITH_RESULT;
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import com.google.common.base.Supplier;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;