code: func (f *PixbufFormat) GetMimeTypes() []string {
  	var types []string
  	c := C.gdk_pixbuf_format_get_mime_types(f.native())
  	if c == nil {
  		return nil
  	}
  	for *c != nil {
  		types = append(types, C.GoString((*C.char)(*c)))
  		c = C.next_gcharptr(c)
  	}
  	return types
  }
docs: // GetMimeTypes is a wrapper around gdk_pixbuf_format_get_mime_types().