| AsyncInvoker | 
 Uniform interface for asynchronous invocation of HTTP methods. 
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| Client | 
 
 Client is the main entry point to the fluent API used to build and execute client requests in order to consume
 responses returned. 
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| ClientBuilder | 
Main entry point to the client API used to bootstrap  Client instances.  
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| ClientRequestContext | 
 Client request filter context. 
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| ClientResponseContext | 
 Client response filter context. 
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| CompletionStageRxInvoker | 
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| Entity | 
 Encapsulates message entity including the associated variant information. 
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| Invocation | 
 A client request invocation. 
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| Invocation.Builder | 
 A client request invocation builder. 
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| InvocationCallback | 
 Callback that can be implemented to receive the asynchronous processing events from the invocation processing. 
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| RxInvoker | 
 Uniform interface for reactive invocation of HTTP methods. 
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| SyncInvoker | 
 Uniform interface for synchronous invocation of HTTP methods. 
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| WebTarget | 
 A resource target identified by the resource URI. 
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