040000 tree cf12fa3354a0f5e1c85646c0435f475ee3887974	annotations
040000 tree fc2061d7eba98c4e0a4224356f71642a071bb115	exceptions
040000 tree 00b1c87e742c26c6390ac05812f12ddce645bf8b	protocol
040000 tree 25901d00e67ba199d3a5d01ea6bcb3152ffaec96	types
040000 tree 90f8fac0c33f54b4578e3ac0ce8afab809106abc	util