100644 blob a0566319873f7b8f2e6eee0fa1243c1db1b389a7	CMakeLists.txt
040000 tree aa37102b794696b050a542cad35b3c821a8521c5	gtest
040000 tree 2e1933167adbbe4b1402c35000707724817440e1	java
040000 tree bc28095325fee881086e43959c0cc0d99816de04	python
040000 tree 2c9f5abe3d3041b0fbd6a1e0ce988fb4cc468578	singa