100644 blob a0566319873f7b8f2e6eee0fa1243c1db1b389a7	CMakeLists.txt
040000 tree aa37102b794696b050a542cad35b3c821a8521c5	gtest
040000 tree 2e1933167adbbe4b1402c35000707724817440e1	java
040000 tree f0285fbdf4ce1a136ff4e85c144c7a01c37c42d3	python
040000 tree ee53cbe4d538834380f1535e986562f3e27d2387	singa