class DoublingRetrySchedule implements RetrySchedule {

    @Override
    public String toString() {
        StringBuilder builder = new StringBuilder();
        builder.append("DoublingRetrySchedule [startInterval=").append(startInterval).append(
                ", maxInterval=").append(maxInterval).append(", multiplier=").append(multiplier).append("]");
        return builder.toString();
    }

    private  DoublingRetrySchedule();
    public  DoublingRetrySchedule(long startInterval, long maxInterval);
    public  DoublingRetrySchedule(long startInterval, long maxInterval, int multiplier);

}