040000 tree 49ffc5def6806422809061d0f2195f790cc4dd49	crawler
040000 tree 3d1b5e8e49c644f3c08e373242f77884c72c366a	guide
100644 blob 83b45a98e144b21fbf777f19e1121929526209eb	pom.xml
040000 tree 18c6533dde9b95d8ecb6e7c6b8306b699c4c6ba7	simple-client
040000 tree 8725b7f24eb61a75d7e261feea09df1d4fa60def	static-server