val requestGrant : Acl.acl -> unit
val requestRevoke : Acl.acl -> unit
val requestListPerms : string -> (string * string list) list option
val requestWhoHas : {class : string, value : string} -> string list option
val requestGrant : Acl.acl -> unit
val requestRevoke : Acl.acl -> unit
val requestListPerms : string -> (string * string list) list option
val requestWhoHas : {class : string, value : string} -> string list option