package org.opendaylight.protocol.bgp.linkstate.impl.nlri;
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Optional;
import io.netty.buffer.ByteBuf;
+import java.util.Optional;
import org.opendaylight.protocol.bgp.linkstate.impl.tlvs.AreaIdTlvParser;
import org.opendaylight.protocol.bgp.linkstate.impl.tlvs.AsNumTlvParser;
import org.opendaylight.protocol.bgp.linkstate.impl.tlvs.BgpRouterIdTlvParser;