}

		var br beginRequest
		if err := br.read(rec.content()); err != nil {
			return err
		}
		if br.role != roleResponder {
			c.conn.writeEndRequest(rec.h.Id, 0, statusUnknownRole)
			return nil
		}
		req = newRequest(rec.h.Id, br.flags)
		c.requests[rec.h.Id] = req
		return nil
	case typeParams: