| Package | Description | 
|---|---|
| org.apache.hc.client5.http.impl.nio | Client connection management functions based the asynchronous
 connection management APIs. | 
| Class and Description | 
|---|
| PoolingAsyncClientConnectionManager PoolingAsyncClientConnectionManagermaintains a pool of non-blockingHttpConnections and is able to service
 connection requests from multiple execution threads. | 
| PoolingAsyncClientConnectionManagerBuilder Builder for  PoolingAsyncClientConnectionManagerinstances. | 
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