/-  *permission-group-hook
/+  *permission-json
|_  act=permission-group-hook-action
++  grad  %noun
++  grow
  |%
  ++  noun  act
  --
++  grab
  |%
  ++  noun  permission-group-hook-action
  ++  json
    |=  jon=^json
    (json-to-perm-group-hook-action jon)
  --
--