100644 blob a0566319873f7b8f2e6eee0fa1243c1db1b389a7	CMakeLists.txt
040000 tree aa37102b794696b050a542cad35b3c821a8521c5	gtest
040000 tree 2e1933167adbbe4b1402c35000707724817440e1	java
040000 tree 78119caedc71bb7c8fef0d9c0d4d66c562704079	python
040000 tree 6090ff4a7c499a43a21bee91debf349714c0b833	singa