public String getClusterIdentifier() {
        return this.clusterIdentifier;
    }
<p>
A unique identifier for the cluster whose snapshot schedule you want to modify.
</p>

@return A unique identifier for the cluster whose snapshot schedule you want to modify.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/ModifyClusterSnapshotScheduleRequest.java