| SwitchboardConfig | A class implementing this interface can be instantiated and loaded by
getInstance(SwitchboardConfig). |
| Junction | This class is the glue between an application developer's actor and the service provider's junction implementation. |
| JunctionMaker | This class creates Junction objects, binding JunctionActor
objects to an activity. |
| JunctionException | A generic exception that is thrown when an error occurs performing an Junction operation. |