code: func (c *Emulation) SetFocusEmulationEnabledWithParams(v *EmulationSetFocusEmulationEnabledParams) (*gcdmessage.ChromeResponse, error) {
  	return gcdmessage.SendDefaultRequest(c.target, c.target.GetSendCh(), &gcdmessage.ParamRequest{Id: c.target.GetId(), Method: "Emulation.setFocusEmulationEnabled", Params: v})
  }
docs: // SetFocusEmulationEnabledWithParams - Enables or disables simulating a focused and active page.