public String getGlobalClusterIdentifier() {
        return this.globalClusterIdentifier;
    }
<p>
Contains a user-supplied global cluster identifier. This identifier is the unique key that identifies a global
cluster.
</p>

@return Contains a user-supplied global cluster identifier. This identifier is the unique key that identifies a
        global cluster.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/GlobalCluster.java