add nullable annotation to return value
@@ -683,7 +683,7 @@ public final class CiscoConfiguration extends VendorConfiguration {
return _igmpAcls;
}
- private Interface getInterfaceByTunnelAddresses(Ip sourceAddress, Prefix destPrefix) {
+ private @Nullable Interface getInterfaceByTunnelAddresses(Ip sourceAddress, Prefix destPrefix) {
for (Interface iface : _interfaces.values()) {
Tunnel tunnel = iface.getTunnel();
if (tunnel != null
