Interface Types
| Interface | Summary | 
|---|---|
| IBlob | the db4o Blob type to store blobs independent of the main database file and allows to perform asynchronous upload and download operations. | 
| IDb4oType | marker interface for all special db4o types. | 
| ITransientClass | Marker interface to denote that a class should not be stored by db4o. | 
| IUnversioned | marker interface to denote that version numbers and UUIDs should not be generated for a class that implements this interface |