040000 tree a180ff66ab498dff909adeed9008acce556f49f8	bolt
040000 tree 976574ea733998f99930680bca81ee28713a59d4	common
040000 tree c3d95b6ef080affc4e538194799b8605d9861880	mapper
040000 tree d87de401eb6e41054dd4eaea6acf27f5b31e0473	spout
040000 tree 4924deca4b47460e9e7365ac886477b79de13569	topology
040000 tree 563a80348a086c9b0c2cb90720b6e4bd6c5d3c10	trident