040000 tree 88f11b67e552d04a451e19e50cec190dc10551bc	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree e5dcab595331097ba7cffe602ca674f125e81dec	proto
040000 tree 02f48a32e7670b78049d631a760d039eb04ea2ac	types