provides methods to configure the behaviour of db4o diagnostics.
Diagnostic system can be enabled on a running db4o database
to notify a user about possible problems or misconfigurations.
Diagnostic listeners can be be added and removed with calls
to this interface.
To install the most basic listener call: Db4o.configure().diagnostic().addListener(new DiagnosticToConsole()); See Also:com.db4o.config.Configuration.diagnostic See Also:DiagnosticListener