public String getDBInstanceClass() {
        return this.dBInstanceClass;
    }
<p>
The new compute and memory capacity of the instance; for example, <code>db.r5.large</code>. Not all instance
classes are available in all Amazon Web Services Regions.
</p>
<p>
If you modify the instance class, an outage occurs during the change. The change is applied during the next
maintenance window, unless <code>ApplyImmediately</code> is specified as <code>true</code> for this request.
</p>
<p>
Default: Uses existing setting.
</p>

@return The new compute and memory capacity of the instance; for example, <code>db.r5.large</code>. Not all
        instance classes are available in all Amazon Web Services Regions. </p>
        <p>
        If you modify the instance class, an outage occurs during the change. The change is applied during the
        next maintenance window, unless <code>ApplyImmediately</code> is specified as <code>true</code> for this
        request.
        </p>
        <p>
        Default: Uses existing setting.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/ModifyDBInstanceRequest.java