100644 blob a0566319873f7b8f2e6eee0fa1243c1db1b389a7	CMakeLists.txt
040000 tree aa37102b794696b050a542cad35b3c821a8521c5	gtest
040000 tree 2e1933167adbbe4b1402c35000707724817440e1	java
040000 tree 75ac866fc0c8f2abf0de053e0c87f44f9e676c47	python
040000 tree 6add57250ba2ab4ad5c35390159cc72e1cafbb8d	singa