module CamlinternalFormat: sig .. end
val is_in_char_set : CamlinternalFormatBasics.char_set -> char -> bool
val rev_char_set : CamlinternalFormatBasics.char_set -> CamlinternalFormatBasics.char_set
type bytes 
val create_char_set : unit -> mutable_char_set
val add_in_char_set : mutable_char_set -> char -> unit
val freeze_char_set : mutable_char_set -> CamlinternalFormatBasics.char_set
type ('a, 'b, 'c, 'd, 'e, 'f) param_format_ebb = 
| | | Param_format_EBB : ('x -> 'a0, 'b0, 'c0, 'd0, 'e0, 'f0) CamlinternalFormatBasics.fmt->('a0, 'b0, 'c0, 'd0, 'e0, 'f0) param_format_ebb | 
val param_format_of_ignored_format : ('a, 'b, 'c, 'd, 'y, 'x) CamlinternalFormatBasics.ignored ->
       ('x, 'b, 'c, 'y, 'e, 'f) CamlinternalFormatBasics.fmt ->
       ('a, 'b, 'c, 'd, 'e, 'f) param_format_ebb
type ('b, 'c) acc_formatting_gen = 
| | | Acc_open_tag of ('b, 'c) acc | 
| | | Acc_open_box of ('b, 'c) acc | 
type ('b, 'c) acc = 
| | | Acc_formatting_lit of ('b, 'c) acc * CamlinternalFormatBasics.formatting_lit | 
| | | Acc_formatting_gen of ('b, 'c) acc* ('b, 'c) acc_formatting_gen
 | 
| | | Acc_string_literal of ('b, 'c) acc * string | 
| | | Acc_char_literal of ('b, 'c) acc * char | 
| | | Acc_data_string of ('b, 'c) acc * string | 
| | | Acc_data_char of ('b, 'c) acc * char | 
| | | Acc_delay of ('b, 'c) acc * ('b -> 'c) | 
| | | Acc_flush of ('b, 'c) acc | 
| | | Acc_invalid_arg of ('b, 'c) acc * string | 
| | | End_of_acc | 
type ('a, 'b) heter_list = 
type ('b, 'c, 'e, 'f) fmt_ebb = 
val make_printf : ('b -> ('b, 'c) acc -> 'd) ->
       'b ->
       ('b, 'c) acc ->
       ('a, 'b, 'c, 'c, 'c, 'd) CamlinternalFormatBasics.fmt -> 'a
val make_iprintf : ('b -> 'f) ->
       'b -> ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.fmt -> 'a
val output_acc : out_channel ->
       (out_channel, unit) acc -> unit
val bufput_acc : Buffer.t -> (Buffer.t, unit) acc -> unit
val strput_acc : Buffer.t -> (unit, string) acc -> unit
val type_format : ('x, 'b, 'c, 't, 'u, 'v) CamlinternalFormatBasics.fmt ->
       ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.fmtty ->
       ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.fmt
val fmt_ebb_of_string : ?legacy_behavior:bool ->
       string -> ('b, 'c, 'e, 'f) fmt_ebb
val format_of_string_fmtty : string ->
       ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.fmtty ->
       ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.format6
val format_of_string_format : string ->
       ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.format6 ->
       ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.format6
val char_of_iconv : CamlinternalFormatBasics.int_conv -> char
val string_of_formatting_lit : CamlinternalFormatBasics.formatting_lit -> string
val string_of_formatting_gen : ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.formatting_gen -> string
val string_of_fmtty : ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.fmtty -> string
val string_of_fmt : ('a, 'b, 'c, 'd, 'e, 'f) CamlinternalFormatBasics.fmt -> string
val open_box_of_string : string -> int * CamlinternalFormatBasics.block_type
val symm : ('a1, 'b1, 'c1, 'd1, 'e1, 'f1, 'a2, 'b2, 'c2, 'd2, 'e2, 'f2)
       CamlinternalFormatBasics.fmtty_rel ->
       ('a2, 'b2, 'c2, 'd2, 'e2, 'f2, 'a1, 'b1, 'c1, 'd1, 'e1, 'f1)
       CamlinternalFormatBasics.fmtty_rel
val trans : ('a1, 'b1, 'c1, 'd1, 'e1, 'f1, 'a2, 'b2, 'c2, 'd2, 'e2, 'f2)
       CamlinternalFormatBasics.fmtty_rel ->
       ('a2, 'b2, 'c2, 'd2, 'e2, 'f2, 'a3, 'b3, 'c3, 'd3, 'e3, 'f3)
       CamlinternalFormatBasics.fmtty_rel ->
       ('a1, 'b1, 'c1, 'd1, 'e1, 'f1, 'a3, 'b3, 'c3, 'd3, 'e3, 'f3)
       CamlinternalFormatBasics.fmtty_rel
val recast : ('a1, 'b1, 'c1, 'd1, 'e1, 'f1) CamlinternalFormatBasics.fmt ->
       ('a1, 'b1, 'c1, 'd1, 'e1, 'f1, 'a2, 'b2, 'c2, 'd2, 'e2, 'f2)
       CamlinternalFormatBasics.fmtty_rel ->
       ('a2, 'b2, 'c2, 'd2, 'e2, 'f2) CamlinternalFormatBasics.fmt