100644 blob 8b52925d3d20bd10f78c7d20f186fbee7a8c846a	HelloWorld.java
040000 tree 5a5c182dc221ae4c098a528a847dd3db36e467a2	callback
040000 tree f1c1687c73fa44f8e35fc758df0164c4da629763	helper
040000 tree f2ba6cfbf7649d154035c43330930ea00918e0ae	query
040000 tree 48db054836b34a007524e9e1e6c5dd079cb96156	reporter