100644 blob a0566319873f7b8f2e6eee0fa1243c1db1b389a7	CMakeLists.txt
040000 tree aa37102b794696b050a542cad35b3c821a8521c5	gtest
040000 tree 2e1933167adbbe4b1402c35000707724817440e1	java
040000 tree d3c63b57ea201556937190f2065326a096356a3b	python
040000 tree c6f0ed296352c6fb28890fd487fef40cc88358bf	singa