r := &request{
		reqId:    reqId,
		params:   map[string]string{},
		keepConn: flags&flagKeepConn != 0,
	}
	r.rawParams = r.buf[:0]
	return r
}

// parseParams reads an encoded []byte into Params.
func (r *request) parseParams() {
	text := r.rawParams
	r.rawParams = nil
	for len(text) > 0 {
		keyLen, n := readSize(text)
		if n == 0 {
			return
		}
		text = text[n:]
		valLen, n := readSize(text)