| Interface | Description | 
|---|---|
| MasterUriProvider | 
 Provides URLs for a ROS master. 
 | 
| SwitchableMasterUriProvider.MasterUriProviderSwitcher | 
 Perform a switch between  
MasterUriProvider instances for the
 SwitchableMasterUriProvider. | 
| Class | Description | 
|---|---|
| StaticMasterUriProvider | 
 A  
MasterUriProvider which will always return the same URI. | 
| SwitchableMasterUriProvider | 
 A proxying  
MasterUriProvider which can be switched between providers. |