@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getSubscriptionArn() != null)
            sb.append("SubscriptionArn: ").append(getSubscriptionArn()).append(",");
        if (getOwner() != null)
            sb.append("Owner: ").append(getOwner()).append(",");
        if (getProtocol() != null)
            sb.append("Protocol: ").append(getProtocol()).append(",");
        if (getEndpoint() != null)
            sb.append("Endpoint: ").append(getEndpoint()).append(",");
        if (getTopicArn() != null)
            sb.append("TopicArn: ").append(getTopicArn());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-sns/src/main/java/com/amazonaws/services/sns/model/Subscription.java