public String getDefaultVersionName() {
        return this.defaultVersionName;
    }
<p>
The name of the default package version.
</p>
<p>
<b>Note:</b> You cannot name a <code>defaultVersion</code> and set <code>unsetDefaultVersion</code> equal to
<code>true</code> at the same time.
</p>

@return The name of the default package version.</p>
        <p>
        <b>Note:</b> You cannot name a <code>defaultVersion</code> and set <code>unsetDefaultVersion</code> equal
        to <code>true</code> at the same time.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/UpdatePackageRequest.java