| Interface | Description | 
|---|---|
| ReliableMessageListener<E> | 
 A  
MessageListener to better integrate with the reliable topic. | 
| Enum | Description | 
|---|---|
| TopicOverloadPolicy | 
 A policy to deal with an overloaded topic; so topic where there is no
 place to store new messages. 
 | 
| Exception | Description | 
|---|---|
| TopicOverloadException | 
 A  
HazelcastException thrown when a publisher wants to write to a topic, but there is not sufficient storage
 to deal with the event. | 
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