public String getDBClusterParameterGroupName() {
        return this.dBClusterParameterGroupName;
    }
<p>
The name of a cluster parameter group.
</p>
<p>
Constraints:
</p>
<ul>
<li>
<p>
Must be from 1 to 255 letters or numbers.
</p>
</li>
<li>
<p>
The first character must be a letter.
</p>
</li>
<li>
<p>
Cannot end with a hyphen or contain two consecutive hyphens.
</p>
</li>
</ul>
<note>
<p>
This value is stored as a lowercase string.
</p>
</note>

@return The name of a cluster parameter group.</p>
        <p>
        Constraints:
        </p>
        <ul>
        <li>
        <p>
        Must be from 1 to 255 letters or numbers.
        </p>
        </li>
        <li>
        <p>
        The first character must be a letter.
        </p>
        </li>
        <li>
        <p>
        Cannot end with a hyphen or contain two consecutive hyphens.
        </p>
        </li>
        </ul>
        <note>
        <p>
        This value is stored as a lowercase string.
        </p>
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/ModifyDBClusterParameterGroupResult.java