code: func (c *Page) SetDeviceOrientationOverride(alpha float64, beta float64, gamma float64) (*gcdmessage.ChromeResponse, error) {
  	var v PageSetDeviceOrientationOverrideParams
  	v.Alpha = alpha
  	v.Beta = beta
  	v.Gamma = gamma
  	return c.SetDeviceOrientationOverrideWithParams(&v)
  }
docs: // SetDeviceOrientationOverride - Overrides the Device Orientation.
  // alpha - Mock alpha
  // beta - Mock beta
  // gamma - Mock gamma