`sig
type buf
val create : int -> CamomileLibrary.Type.SubText.Type.Buf.buf
val contents :
CamomileLibrary.Type.SubText.Type.Buf.buf ->
CamomileLibrary.Type.SubText.Type.t
val clear : CamomileLibrary.Type.SubText.Type.Buf.buf -> unit
val reset : CamomileLibrary.Type.SubText.Type.Buf.buf -> unit
val add_char :
CamomileLibrary.Type.SubText.Type.Buf.buf ->
CamomileLibrary.Type.UChar.t -> unit
val add_string :
CamomileLibrary.Type.SubText.Type.Buf.buf ->
CamomileLibrary.Type.SubText.Type.t -> unit
val add_buffer :
CamomileLibrary.Type.SubText.Type.Buf.buf ->
CamomileLibrary.Type.SubText.Type.Buf.buf -> unit
end`