public RelationalDatabaseBlueprint withEngine(String engine) {
        setEngine(engine);
        return this;
    }
<p>
The database software of the database blueprint (for example, <code>MySQL</code>).
</p>

@param engine
       The database software of the database blueprint (for example, <code>MySQL</code>).
@return Returns a reference to this object so that method calls can be chained together.
@see RelationalDatabaseEngine
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/RelationalDatabaseBlueprint.java