`sig
type t
exception Out_of_range
val char_of : CamomileLibrary.UChar.t -> char
val of_char : char -> CamomileLibrary.UChar.t
val code : CamomileLibrary.UChar.t -> int
val chr : int -> CamomileLibrary.UChar.t
external uint_code : CamomileLibrary.UChar.t -> int = "%identity"
val chr_of_uint : int -> CamomileLibrary.UChar.t
val eq : CamomileLibrary.UChar.t -> CamomileLibrary.UChar.t -> bool
val compare : CamomileLibrary.UChar.t -> CamomileLibrary.UChar.t -> int
type uchar = CamomileLibrary.UChar.t
val int_of : CamomileLibrary.UChar.uchar -> int
val of_int : int -> CamomileLibrary.UChar.uchar
end`