code: func (c *Emulation) SetCPUThrottlingRateWithParams(v *EmulationSetCPUThrottlingRateParams) (*gcdmessage.ChromeResponse, error) {
  	return gcdmessage.SendDefaultRequest(c.target, c.target.GetSendCh(), &gcdmessage.ParamRequest{Id: c.target.GetId(), Method: "Emulation.setCPUThrottlingRate", Params: v})
  }
docs: // SetCPUThrottlingRateWithParams - Enables CPU throttling to emulate slow CPUs.