public String getEngineVersion() {
        return this.engineVersion;
    }
<p>
The version number of the database engine to upgrade to. Currently, setting this parameter has no effect. To
upgrade your database engine to the most recent release, use the <a>ApplyPendingMaintenanceAction</a> API.
</p>

@return The version number of the database engine to upgrade to. Currently, setting this parameter has no effect.
        To upgrade your database engine to the most recent release, use the <a>ApplyPendingMaintenanceAction</a>
        API.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/ModifyDBInstanceRequest.java