040000 tree 05c7d7616fa06438049707ca7f2058971d932fe0	bolt
040000 tree e2c6959da96410118f0311adc3f49978a76af51c	common
040000 tree 427acf174f698d6e5e415dd0827099295869fe3a	mapper
040000 tree abe61084d71e24a8e161745cbced25fde984b70a	spout
040000 tree ceaa358101f90d33ca5595e3c07dbd043e760269	topology
040000 tree 428c4ce1ab0d599a8310c5c50fcfb06d99eac19e	trident