public void setGlobalClusterIdentifier(String globalClusterIdentifier) {
        this.globalClusterIdentifier = globalClusterIdentifier;
    }
<p>
The user-supplied DB cluster identifier. If this parameter is specified, only information about the specified DB
cluster is returned. This parameter is not case-sensitive.
</p>
<p>
Constraints: If supplied, must match an existing DB cluster identifier.
</p>

@param globalClusterIdentifier
       The user-supplied DB cluster identifier. If this parameter is specified, only information about the
       specified DB cluster is returned. This parameter is not case-sensitive.</p>
       <p>
       Constraints: If supplied, must match an existing DB cluster identifier.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/DescribeGlobalClustersRequest.java