| Interface | Description | 
|---|---|
| Presigner | 
 Interface for the signer used for pre-signing the requests. 
 | 
| Signer | 
 Interface for the signer used for signing the requests. 
 | 
| Class | Description | 
|---|---|
| NoOpSigner | 
 A No op implementation of Signer and Presigner interfaces that returns the
 input  
SdkHttpFullRequest without modifications. | 
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