public CreateDBClusterRequest withEngine(String engine) {
        setEngine(engine);
        return this;
    }
<p>
The database engine to use for this DB cluster.
</p>
<p>
Valid for Cluster Type: Aurora DB clusters and Multi-AZ DB clusters
</p>
<p>
Valid Values:
</p>
<ul>
<li>
<p>
<code>aurora-mysql</code>
</p>
</li>
<li>
<p>
<code>aurora-postgresql</code>
</p>
</li>
<li>
<p>
<code>mysql</code>
</p>
</li>
<li>
<p>
<code>postgres</code>
</p>
</li>
<li>
<p>
<code>neptune</code> - For information about using Amazon Neptune, see the <a
href="https://docs.aws.amazon.com/neptune/latest/userguide/intro.html"> <i>Amazon Neptune User Guide</i> </a>.
</p>
</li>
</ul>

@param engine
       The database engine to use for this DB cluster.</p>
       <p>
       Valid for Cluster Type: Aurora DB clusters and Multi-AZ DB clusters
       </p>
       <p>
       Valid Values:
       </p>
       <ul>
       <li>
       <p>
       <code>aurora-mysql</code>
       </p>
       </li>
       <li>
       <p>
       <code>aurora-postgresql</code>
       </p>
       </li>
       <li>
       <p>
       <code>mysql</code>
       </p>
       </li>
       <li>
       <p>
       <code>postgres</code>
       </p>
       </li>
       <li>
       <p>
       <code>neptune</code> - For information about using Amazon Neptune, see the <a
       href="https://docs.aws.amazon.com/neptune/latest/userguide/intro.html"> <i>Amazon Neptune User Guide</i>
       </a>.
       </p>
       </li>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/CreateDBClusterRequest.java