040000 tree 9c445b5065463eab42e4fed457729bc10da9f920	conformance
040000 tree ea447fa1233d8683bc73036dfdbf12a55c33afc6	generate-protos
040000 tree e10b5244c5bfd4dc2a0d3f405032e1f87ba640af	generate-types
040000 tree 755744014e490471515d6c2716edf944d25e3b38	pbdump