040000 tree 581ed9fbe0a796cfbf3d18225d569c17c881519a	authentication
040000 tree e393c6642544a927eba6e2aa815f4c38abf83eef	exceptions
100644 blob a5fc7c69ed7e3abf8681898e357163058411da8c	package-info.java
040000 tree ab4cd237c33d0b45cf07477a56eed5b3e3c28faf	protocols
040000 tree a5d05c801b33e08a90cd01aa12c9a4e2f47cbb0b	types