| Cache |
| Event |
| Exception |
| Middleware |
| FileCollector | |
| FileSystemFactory | Interface for FileSystem factories. |
| SpecificationFactoryInterface | Interface for Specifications used to filter the FileSystem. |
| FileFactory | |
| FlySystemCollector | |
| FlySystemFactory | |
| FlySystemFile | |
| Parser | Class responsible for parsing the given file or files to the intermediate structure file. |
| ReEncodedFile | |
| SpecificationFactory | Factory class to build Specification used by FlyFinder when reading files to process. |