040000 tree 2d7770fe964812b45765674ca978b7f30ae7758b	completion
040000 tree e3b7291eed33f4106058c29f9e73800ac840b9f6	correction
040000 tree 7ea435022c82c9902916d5cc09b128607c347b30	kythe
040000 tree f1c4f2dcb6d3549a1f294fcb4bafab94eff25335	refactoring
040000 tree 20c417205d8bdf1aeedbf47219c1aafcce51da01	search