LoggerServiceProvider (SLF4JServiceProvider implementation)

public class LoggerServiceProvider implements SLF4JServiceProvider {

    public static String REQUESTED_API_VERSION = "2.0.99";

    private ILoggerFactory loggerFactory;
    private IMarkerFactory markerFactory;
    private MDCAdapter mdcAdapter;

    @Override
    public ILoggerFactory getLoggerFactory() {
        return loggerFactory;
    }

    @Override
    public IMarkerFactory getMarkerFactory() {
        return markerFactory;
    }

    @Override
    public MDCAdapter getMDCAdapter() {
        return mdcAdapter;
    }

    @Override
    public String getRequestedApiVersion() {
        return REQUESTED_API_VERSION;
    }

    @Override
    public void initialize() {
        loggerFactory = ConsoleEngine.getInstance(); //<- ConsoleEngine is printing everything in the end - Cannot be null
        markerFactory = new BasicMarkerFactory();
        mdcAdapter = new BasicMDCAdapter();
    }
}