| Package | Description | 
|---|---|
| com.hazelcast.collection | 
 This package contains classes to support the collection API. 
 | 
| com.hazelcast.transaction | 
 Provides interfaces/classes for Hazelcast transaction support. 
 | 
| Modifier and Type | Interface and Description | 
|---|---|
interface  | 
IQueue<E>
Concurrent, blocking, distributed, observable queue. 
 | 
| Modifier and Type | Interface and Description | 
|---|---|
interface  | 
TransactionalQueue<E>
Transactional implementation of  
BaseQueue. | 
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