public interface IKeeperEndpoint| ClientVersion | Gets / sets Client version. | 
| DeviceName | Gets / sets device name. | 
| Locale | Gets / sets user locale / interface language. | 
| Server | Gets / sets Keeper server host name. | 
| WebProxy | Gets / sets HTTP Proxy | 
| ExecuteRest | Executes Protobuf request. | 
| ExecuteV2Command | 
            Executes JSON request.
             (Defined by KeeperEndpointExtensions)  | 
| ExecuteV2CommandTC, TR | 
            Executes Keeper JSON command. Generic version.
             (Defined by KeeperEndpointExtensions)  | 
| PrepareApiRequest | (Defined by KeeperEndpointExtensions)  |