`sig
type 'accum t
val noarg : ('accum -> unit) -> 'accum Deprecated_command.Flag.Action.t
val arg :
('accum -> string -> unit) -> 'accum Deprecated_command.Flag.Action.t
val rest :
('accum -> string list -> unit) ->
'accum Deprecated_command.Flag.Action.t
val int :
('accum -> int -> unit) -> 'accum Deprecated_command.Flag.Action.t
val bool :
('accum -> bool -> unit) -> 'accum Deprecated_command.Flag.Action.t
val float :
('accum -> float -> unit) -> 'accum Deprecated_command.Flag.Action.t
end`