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040000 tree 6b5cf4a60d32e4b2385bd844d17031581a93b1f2	cmake
040000 tree 32084e6ad18974c654d660aed6409145c144ca60	docker
040000 tree 66e79ee94bc631eafd5e852fc11ef2541736236a	travis
040000 tree 93804928278e6d4863997d51f0198c59122d136d	wincpp