| Class | Description | 
|---|---|
| PresignerFacade | 
 Really thin facade over  
Presigner to deal with some common concerns like credential resolution, adding custom headers
 and query params to be included in signing, and conversion to a usable URL. | 
| PresignerFacade.PresigningRequest | 
 Empty request object useful for setting request level credentials without having the user facing presiging request extend
 from  
AmazonWebServiceRequest. | 
| PresignerParams | 
 Params object passed to the presigner extension class for a service client and also for  
PresignerFacade. | 
| PresignerParams.Builder | 
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