void clearBufferfv(int buffer, int drawbuffer, value)

Source 

void clearBufferfv(int buffer, int drawbuffer, value) {
  if ((value is Float32List) && (drawbuffer is int) && (buffer is int)) {
    _blink.BlinkWebGL2RenderingContext.instance
        .clearBufferfv_Callback_3_(this, buffer, drawbuffer, value);
    return;
  }
  if ((value is List<num>) && (drawbuffer is int) && (buffer is int)) {
    _blink.BlinkWebGL2RenderingContext.instance
        .clearBufferfv_Callback_3_(this, buffer, drawbuffer, value);
    return;
  }
  throw new ArgumentError("Incorrect number or type of arguments");
}