val configure :
  ?background:Tk.color ->
  ?data:string ->
  ?file:string ->
  ?foreground:Tk.color ->
  ?maskdata:string -> ?maskfile:string -> Tk.imageBitmap -> unit
val configure_get : Tk.imageBitmap -> string
val create :
  ?name:Tk.imageBitmap ->
  ?background:Tk.color ->
  ?data:string ->
  ?file:string ->
  ?foreground:Tk.color ->
  ?maskdata:string -> ?maskfile:string -> unit -> [> `Bitmap of string ]
val delete : Tk.imageBitmap -> unit
val height : Tk.imageBitmap -> int
val width : Tk.imageBitmap -> int