public void setDatabaseEngine(String databaseEngine) {
        this.databaseEngine = databaseEngine;
    }
<p>
The database engine that the recommended reservation supports.
</p>

@param databaseEngine
       The database engine that the recommended reservation supports.
aws-java-sdk-costexplorer/src/main/java/com/amazonaws/services/costexplorer/model/RDSInstanceDetails.java