module Buf:sig..end
type buf
val create : int -> bufn.val contents : buf -> CamomileLibrary.UTF16.t
val clear : buf -> unit
val reset : buf -> unit
val add_char : buf -> CamomileLibrary.UChar.t -> unitval add_string : buf -> CamomileLibrary.UTF16.t -> unit
val add_buffer : buf -> buf -> unit