040000 tree 63c6424af0bdb384dbacae0803f3791efd4b1d48	dubbo-backend-interface
040000 tree 3bc4e824d9fb023b222695ac25568a65aeb267e3	dubbo-backend-provider
100644 blob ed4bf0a755cd1b14e956a6a2a209bd4f75c9f5ee	pom.xml