public void setCacheClusterId(String cacheClusterId) {
        this.cacheClusterId = cacheClusterId;
    }
<p>
The user-supplied cluster identifier. If this parameter is specified, only information about that specific
cluster is returned. This parameter isn't case sensitive.
</p>

@param cacheClusterId
       The user-supplied cluster identifier. If this parameter is specified, only information about that specific
       cluster is returned. This parameter isn't case sensitive.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/DescribeCacheClustersRequest.java