# Uses of Package
com.hazelcast.cardinality

- Packages that use com.hazelcast.cardinality
  Package | Description
  --- | ---
  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.

- Classes in com.hazelcast.cardinality used by com.hazelcast.client.proxy
  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.

- Classes in com.hazelcast.cardinality used by com.hazelcast.core
  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.

- Classes in com.hazelcast.cardinality used by com.hazelcast.instance
  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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