| Package | Description | 
|---|---|
| com.hazelcast.client.impl | Contains most of the client side HazelcastInstance implementation functionality. | 
| com.hazelcast.client.proxy | This package contains client side proxy implementations of the different Hazelcast data structures
 and operation types | 
| com.hazelcast.core | Provides core API interfaces/classes. | 
| com.hazelcast.instance | This package contains Hazelcast Instance functionality. | 
| Class and Description | 
|---|
| CardinalityEstimator CardinalityEstimator is a redundant and highly available distributed data-structure used
 for probabilistic cardinality estimation purposes, on unique items, in significantly sized data cultures. | 
| Class and Description | 
|---|
| CardinalityEstimator CardinalityEstimator is a redundant and highly available distributed data-structure used
 for probabilistic cardinality estimation purposes, on unique items, in significantly sized data cultures. | 
| Class and Description | 
|---|
| CardinalityEstimator CardinalityEstimator is a redundant and highly available distributed data-structure used
 for probabilistic cardinality estimation purposes, on unique items, in significantly sized data cultures. | 
| Class and Description | 
|---|
| CardinalityEstimator CardinalityEstimator is a redundant and highly available distributed data-structure used
 for probabilistic cardinality estimation purposes, on unique items, in significantly sized data cultures. | 
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