public Integer getDefaultExpirationDays() {
        return this.defaultExpirationDays;
    }
<p>
The default number of days until the data within the domain expires.
</p>

@return The default number of days until the data within the domain expires.
aws-java-sdk-customerprofiles/src/main/java/com/amazonaws/services/customerprofiles/model/CreateDomainRequest.java