public Auditable(AuditEvent type, List <Audit> auditTrail, IDateTimeProvider dateTimeProvider, Node node)
{
_dateTimeProvider = dateTimeProvider;
var started = _dateTimeProvider.Now();
_audit = new Audit(type, started);
_audit.Node = node;
auditTrail.Add(_audit);
var diagnosticName = type.GetAuditDiagnosticEventName();
_activity = diagnosticName != null?DiagnosticSource.Diagnose(diagnosticName, _audit) : null;
}
