val size : Sexplib0.Sexp.t -> int * intval buffer : unit -> Stdlib.Buffer.tval to_buffer : buf:Stdlib.Buffer.t -> Sexplib0.Sexp.t -> unitval to_buffer_hum : 
  buf:Stdlib.Buffer.t ->
  ?indent:int ->
  Sexplib0.Sexp.t ->
  unitval to_buffer_mach : buf:Stdlib.Buffer.t -> Sexplib0.Sexp.t -> unitval to_buffer_gen : 
  buf:'buffer ->
  add_char:( 'buffer -> char -> unit ) ->
  add_string:( 'buffer -> string -> unit ) ->
  Sexplib0.Sexp.t ->
  unitval mach_maybe_esc_str : string -> stringval must_escape : string -> boolval esc_str : string -> string