| Package | Description | 
|---|---|
| com.hazelcast.internal.util.concurrent | Concurrent queues etc. | 
| com.hazelcast.util.collection | The Agrona project backport: collections. | 
| Class and Description | 
|---|
| Consumer Represents an operation that accepts a single input argument and returns no
 result. | 
| Class and Description | 
|---|
| BiConsumer Represents an operation that accepts two input arguments and returns no
 result. | 
| Consumer Represents an operation that accepts a single input argument and returns no
 result. | 
| IntFunction Represents a function that accepts an int-valued argument and produces a
 result. | 
| LongFunction Represents a function that accepts a long-valued argument and produces a
 result. | 
| LongLongConsumer This is a (long,long) primitive specialisation of a BiConsumer | 
| Predicate Represents a predicate (boolean-valued function) of one argument. | 
| Supplier Represents a supplier of results. | 
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