package bolt

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type error =
  1. | Invalid_level_string of string
  2. | Invalid_level_int of int
exception Exception of error
type t =
  1. | FATAL
  2. | ERROR
  3. | WARN
  4. | INFO
  5. | DEBUG
  6. | TRACE
val levels : t list
val to_string : t -> string
val of_string : string -> t
val to_int : t -> int
val of_int : int -> t