# Package com.hazelcast.client

Contains classes/interfaces related to Client

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  ClientExtension | ClientExtension is a client extension mechanism to be able to plug different implementations of some modules, like; `InternalSerializationService` etc.
  LoadBalancer | `LoadBalancer` allows you to send operations to one of a number of endpoints(Members).

- Class Summary
  Class | Description
  --- | ---
  ClientOutOfMemoryHandler | To clear resources of the client upon OutOfMemory
  HazelcastClient | The HazelcastClient is comparable to the `Hazelcast` class and provides the ability the create and manage Hazelcast clients.

- Exception Summary
  Exception | Description
  --- | ---
  AuthenticationException | A `HazelcastException` that is thrown when there is an Authentication failure: e.g.
  ClientNotAllowedInClusterException | A `HazelcastException` that is thrown when client can not use this cluster.
  HazelcastClientNotActiveException | Thrown when Hazelcast client is not active during an invocation.
  HazelcastClientOfflineException | Thrown when Hazelcast client is offline during an invocation.
  UndefinedErrorCodeException | This exception is thrown when an exception that is coming from server is not recognized by the protocol.

## Package com.hazelcast.client Description

Contains classes/interfaces related to Client

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