public interface ClientQuotaCallback extends Configurable {
	...
     /**
     * This callback is invoked whenever there are changes in the cluster metadata, such as 
     * brokers being added or removed, topics being created or deleted, or partition leadership updates.
     * This is useful if quota computation takes partitions into account.
     * Topics that are being deleted will not be included in `cluster`.
     *
	 * @deprecated since 4.4 and should not be used any longer.
     * @param cluster Cluster metadata including partitions and their leaders if known
     * @return true if quotas have changed and metric configs may need to be updated
     */
	@Deprecated(since = "4.4", forRemoval = true)
    default boolean updateClusterMetadata(Cluster cluster) {
       return false;
	
    }
    ...
}