public void setCacheParameterGroups(java.util.Collection<CacheParameterGroup> cacheParameterGroups) {
        if (cacheParameterGroups == null) {
            this.cacheParameterGroups = null;
            return;
        }

        this.cacheParameterGroups = new com.amazonaws.internal.SdkInternalList<CacheParameterGroup>(cacheParameterGroups);
    }
<p>
A list of cache parameter groups. Each element in the list contains detailed information about one cache
parameter group.
</p>

@param cacheParameterGroups
       A list of cache parameter groups. Each element in the list contains detailed information about one cache
       parameter group.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/DescribeCacheParameterGroupsResult.java