public static ILoggerFactory getILoggerFactory() {
        return getProvider().getLoggerFactory();
    }
Return the {@link ILoggerFactory} instance in use.
<p>
<p>
ILoggerFactory instance is bound with this class at compile time.

@return the ILoggerFactory instance in use
slf4j-api/src/main/java/org/slf4j/LoggerFactory.java