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