You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: emulation.go
    path of file: ./repos/scan4all/vendor/github.com/chromedp/cdproto/emulation
    
    the code of the file until where you have to start completion: // Package emulation provides the Chrome DevTools Protocol
// commands, types, and events for the Emulation domain.
//
// This domain emulates different environments for the page.
//
// Generated by the cdproto-gen command.
packa
    
func SetDeviceMetricsOverride(width int64, height int64, deviceScaleFactor float64, mobile bool) *SetDeviceMetricsOverrideParams {
	return &SetDeviceMetricsOverrideParams{
		Width:             width,
		Height:            height,
		DeviceScaleFactor: deviceScaleFactor,
		Mobile:            mobile,
	}
}