public String getClusterName() {
        return this.clusterName;
    }
<p>
The cluster identifier. This parameter is stored as a lowercase string.
</p>
<p>
<b>Constraints:</b>
</p>
<ul>
<li>
<p>
A name must contain from 1 to 20 alphanumeric characters or hyphens.
</p>
</li>
<li>
<p>
The first character must be a letter.
</p>
</li>
<li>
<p>
A name cannot end with a hyphen or contain two consecutive hyphens.
</p>
</li>
</ul>

@return The cluster identifier. This parameter is stored as a lowercase string.</p>
        <p>
        <b>Constraints:</b>
        </p>
        <ul>
        <li>
        <p>
        A name must contain from 1 to 20 alphanumeric characters or hyphens.
        </p>
        </li>
        <li>
        <p>
        The first character must be a letter.
        </p>
        </li>
        <li>
        <p>
        A name cannot end with a hyphen or contain two consecutive hyphens.
        </p>
        </li>
aws-java-sdk-dax/src/main/java/com/amazonaws/services/dax/model/CreateClusterRequest.java