| Package | Description | 
|---|---|
| org.apache.hc.client5.http.impl.classic | Classic HTTP client API implementation that supports HTTP/1.1 transport
 only. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DefaultBackoffStrategyThis  ConnectionBackoffStrategybacks off either for a raw
 network socket or connection timeout or if the server explicitly
 sends a 429 (Too Many Requests) or a 503 (Service Unavailable) response. | 
| class  | NullBackoffStrategyThis is a  ConnectionBackoffStrategythat never backs off,
 for compatibility with existing behavior. | 
| Modifier and Type | Method and Description | 
|---|---|
| HttpClientBuilder | HttpClientBuilder. setConnectionBackoffStrategy(ConnectionBackoffStrategy connectionBackoffStrategy)Assigns  ConnectionBackoffStrategyinstance. | 
| Constructor and Description | 
|---|
| BackoffStrategyExec(ConnectionBackoffStrategy connectionBackoffStrategy,
                   BackoffManager backoffManager) | 
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