`sig module type Type = sig type t val get : CamomileLibrary.UnicodeString.Type.t -> int -> CamomileLibrary.UChar.t val init : int -> (int -> CamomileLibrary.UChar.t) -> CamomileLibrary.UnicodeString.Type.t val length : CamomileLibrary.UnicodeString.Type.t -> int type index val look : CamomileLibrary.UnicodeString.Type.t -> CamomileLibrary.UnicodeString.Type.index -> CamomileLibrary.UChar.t val nth : CamomileLibrary.UnicodeString.Type.t -> int -> CamomileLibrary.UnicodeString.Type.index val next : CamomileLibrary.UnicodeString.Type.t -> CamomileLibrary.UnicodeString.Type.index -> CamomileLibrary.UnicodeString.Type.index val prev : CamomileLibrary.UnicodeString.Type.t -> CamomileLibrary.UnicodeString.Type.index -> CamomileLibrary.UnicodeString.Type.index val out_of_range : CamomileLibrary.UnicodeString.Type.t -> CamomileLibrary.UnicodeString.Type.index -> bool val iter : (CamomileLibrary.UChar.t -> unit) -> CamomileLibrary.UnicodeString.Type.t -> unit val compare : CamomileLibrary.UnicodeString.Type.t -> CamomileLibrary.UnicodeString.Type.t -> int val first : CamomileLibrary.UnicodeString.Type.t -> CamomileLibrary.UnicodeString.Type.index val last : CamomileLibrary.UnicodeString.Type.t -> CamomileLibrary.UnicodeString.Type.index val move : CamomileLibrary.UnicodeString.Type.t -> CamomileLibrary.UnicodeString.Type.index -> int -> CamomileLibrary.UnicodeString.Type.index val compare_index : CamomileLibrary.UnicodeString.Type.t -> CamomileLibrary.UnicodeString.Type.index -> CamomileLibrary.UnicodeString.Type.index -> int module Buf : sig type buf val create : int -> CamomileLibrary.UnicodeString.Type.Buf.buf val contents : CamomileLibrary.UnicodeString.Type.Buf.buf -> CamomileLibrary.UnicodeString.Type.t val clear : CamomileLibrary.UnicodeString.Type.Buf.buf -> unit val reset : CamomileLibrary.UnicodeString.Type.Buf.buf -> unit val add_char : CamomileLibrary.UnicodeString.Type.Buf.buf -> CamomileLibrary.UChar.t -> unit val add_string : CamomileLibrary.UnicodeString.Type.Buf.buf -> CamomileLibrary.UnicodeString.Type.t -> unit val add_buffer : CamomileLibrary.UnicodeString.Type.Buf.buf -> CamomileLibrary.UnicodeString.Type.Buf.buf -> unit end end end`