val load : ?pos:Core.Std.Int64.t ->
?len:Core.Std.Int64.t -> string -> 'a Core.Std.Bin_prot.Read.reader -> 'a
val save : ?header:bool ->
?perm:Core.Std.Unix.file_perm ->
string -> 'a Core.Std.Bin_prot.Type_class.writer -> 'a -> unit
val to_line : 'a Core.Std.Bin_prot.Type_class.t -> 'a -> Core.Std.Bigstring.t
val of_line : string -> 'a Core.Std.Bin_prot.Type_class.t -> 'a