public String getGlobalClusterIdentifier() {
        return this.globalClusterIdentifier;
    }
<p>
The cluster identifier for the global cluster to modify. This parameter isn't case-sensitive.
</p>
<p>
Constraints:
</p>
<ul>
<li>
<p>
Must match the identifier of an existing global database cluster.
</p>
</li>
</ul>

@return The cluster identifier for the global cluster to modify. This parameter isn't case-sensitive.</p>
        <p>
        Constraints:
        </p>
        <ul>
        <li>
        <p>
        Must match the identifier of an existing global database cluster.
        </p>
        </li>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/ModifyGlobalClusterRequest.java