040000 tree e16c771ad5ca00483f4012cf35daee4bbd892725	checkerframework
040000 tree 449f7819b154b98eee9ec093e228f875ad4968a0	checkstyle
040000 tree 589648f094912a6a4343a4441bd204d120b7385d	forbidden-apis
040000 tree 248a50a04d2bcc71fdf63f0d4ae1b8681c58bd8c	licenses