| FosAccess | Defines the means to manipulate transactional files for storing data objects. |
| FosAttributeControler | Defines the attributes that can be controled for a FOS manager. |
| FosLoggerFactory | Defines the way to retrieve the logger associated to the different kinds of
FOS entities that are traced. |
| FosManager | Defines the means to manipulate FOS transaction and the FOS repository. |
| FosRecoveryListener | Defines the method fired when DTP recovery is required. |
| FosStructure | Defines the object for reading/writing the content of a persistent object
from/to its associated file within the File Object Store. |
| FosTransaction | Defines the means to operate FOS transactions. |