| Class | Description | 
|---|---|
| PortFileManager | PortFileManager is a singleton that saves the ports in use and creates a file with a ports list when requested. | 
| ServerPort | This immutable class contains information on variable port that is assigned by this class. | 
| ServerPortDto | |
| ServerPortRegistry | This class holds a collection of of all server ports that are formally registered to the platform. | 
| Service | This serves to group  ServerPortobjects under an arbitrary name. | 
| ServiceDto |