public java.util.List<ClusterParameterGroupStatus> getClusterParameterGroups() {
        if (clusterParameterGroups == null) {
            clusterParameterGroups = new com.amazonaws.internal.SdkInternalList<ClusterParameterGroupStatus>();
        }
        return clusterParameterGroups;
    }
<p>
The list of cluster parameter groups that are associated with this cluster. Each parameter group in the list is
returned with its status.
</p>

@return The list of cluster parameter groups that are associated with this cluster. Each parameter group in the
        list is returned with its status.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/Cluster.java