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nloge
Nloge.Trans
val optional : 'a -> 'b option -> ('b -> 'c) -> ('a * 'c) list -> ('a * 'c) list
val insert_info : float option -> Level.t option -> string option -> string option -> (string * ([> `String of string ] as 'a)) list -> (string * 'a) list
val json : (unit -> 'a) -> 'a