val to_string : Base.Exn.t -> [ `Deprecated_use_Exn_to_string_instead ]
val print : Base.Exn.t -> [ `Deprecated_use_Exn_to_string_instead ]
val print_backtrace : Stdlib.out_channel -> Base.Unit.t
val get_backtrace : Base.Unit.t -> Base.String.t
val record_backtrace : Base.Bool.t -> Base.Unit.t
val backtrace_status : Base.Unit.t -> Base.Bool.t