```java
public class SubstituteLogger implements Logger {
…………………………
    public SubstituteLogger(String name, List<SubstituteLoggingEvent> eventList) {
        this.name = name;
        this.eventList = eventList;
    }
    public void debug(String msg) {
        delegate().debug(msg);
    }
…………………………
    /**
     * Return the delegate logger instance if set. Otherwise, return a {@link NOPLogger}
     * instance.
     */
    Logger delegate() {
        return _delegate != null ? _delegate : getEventRecordingLogger();
    }

    private Logger getEventRecordingLogger() {
        if (eventRecodingLogger == null) {
            eventRecodingLogger = new EventRecodingLogger(this, eventList);
        }
        return eventRecodingLogger;
    }

    /**
     * Typically called after the {@link org.slf4j.LoggerFactory} initialization phase is completed.
     * @param delegate
     */
  {color:red}  public void setDelegate(Logger delegate) {
        this._delegate = delegate;
    }{color}

    public boolean isDelegateEventAware() {
        if (delegateEventAware != null)
            return delegateEventAware;

        try {
            logMethodCache = _delegate.getClass().getMethod("log", LoggingEvent.class);
            delegateEventAware = Boolean.TRUE;
        } catch (NoSuchMethodException e) {
            delegateEventAware = Boolean.FALSE;
        }
        return delegateEventAware;
    }
}