private IEnumerable <TypeRegistration> GetRegistrationsCore(IConfigurationSource configurationSource)
{
var registrations = new List <TypeRegistration>();
registrations.Add(CreateLoggingInstrumentationProviderRegistration(configurationSource));
registrations.Add(CreateLoggingUpdateCoordinatorRegistration());
registrations.Add(CreateLogWriterRegistration());
registrations.Add(CreateDefaultLoggingEventLoggerRegistration(configurationSource));
registrations.AddRange(TraceListeners.SelectMany(tld => tld.GetRegistrations()));
registrations.AddRange(LogFilters.SelectMany(lfd => lfd.GetRegistrations()));
registrations.AddRange(Formatters.SelectMany(fd => fd.GetRegistrations()));
registrations.AddRange(TraceSources.Select(tsd => tsd.GetRegistrations()));
registrations.Add(
CreateLogSourceRegistration(SpecialTraceSources.AllEventsTraceSource, AllTraceSourceKey));
registrations.Add(
CreateLogSourceRegistration(SpecialTraceSources.NotProcessedTraceSource, NoMatchesTraceSourceKey));
registrations.Add(
CreateLogSourceRegistration(SpecialTraceSources.ErrorsTraceSource, ErrorsTraceSourceKey));
registrations.Add(CreateLogWriterStructureHolderRegistration());
registrations.Add(CreateTraceManagerRegistration());
registrations.Add(CreateTracerInstrumentationProviderRegistration(configurationSource));
return(registrations);
}