public RelationalDatabaseBlueprint withIsEngineDefault(Boolean isEngineDefault) {
        setIsEngineDefault(isEngineDefault);
        return this;
    }
<p>
A Boolean value indicating whether the engine version is the default for the database blueprint.
</p>

@param isEngineDefault
       A Boolean value indicating whether the engine version is the default for the database blueprint.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/RelationalDatabaseBlueprint.java