package extlib

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type t = {
  1. indent : unit -> unit;
  2. dedent : unit -> unit;
  3. format_usage : string -> string;
  4. format_heading : string -> string;
  5. format_description : string -> string;
  6. format_option : (char list * string list) -> string list -> string option -> string;
}
val indented_formatter : ?level:int ref -> ?indent:int ref -> ?indent_increment:int -> ?max_help_position:int -> ?width:int -> ?short_first:bool -> unit -> t
val titled_formatter : ?level:int ref -> ?indent:int ref -> ?indent_increment:int -> ?max_help_position:int -> ?width:int -> ?short_first:bool -> unit -> t
val wrap : ?initial_indent:int -> ?subsequent_indent:int -> string -> int -> string list
val fill : ?initial_indent:int -> ?subsequent_indent:int -> string -> int -> string
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