request.go
func request(client *http.Client, method, url string, body []byte) ([]byte, error) {
	req, err := http.NewRequest(method, url, bytes.NewBuffer(body))
	req.Header.Set("Content-Type", "application/json")
	resp, err := client.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	return processResponse(resp)
}
func request(client *http.Client, method, url string, body []byte) ([]byte, error) {
	req, err := http.NewRequest(method, url, bytes.NewBuffer(body))
	req.Header.Set("Content-Type", "application/json")
	resp, err := client.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	return processResponse(resp)
}
func request ( client * http . Client , method , url string , body [ ] byte ) ( [ ] byte , error ) { req , err := http . NewRequest ( method , url , bytes . NewBuffer ( body ) ) req . Header . Set ( " " , " " ) resp , err := client . Do ( req ) if err != nil { return nil , err } defer resp . Body . Close ( ) return processResponse ( resp ) }
// change timeout to time.Duration
change timeout to time . Duration