public void setDBInstanceClass(String dBInstanceClass) {
        this.dBInstanceClass = dBInstanceClass;
    }
<p>
The new compute and memory capacity of the DB instance, for example, <code>db.m4.large</code>. Not all DB
instance classes are available in all Amazon Regions.
</p>
<p>
If you modify the DB 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>

@param dBInstanceClass
       The new compute and memory capacity of the DB instance, for example, <code>db.m4.large</code>. Not all DB
       instance classes are available in all Amazon Regions.</p>
       <p>
       If you modify the DB 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-neptune/src/main/java/com/amazonaws/services/neptune/model/ModifyDBInstanceRequest.java