@Override
    public void log(String message, Object arg0, Object arg1) {
    }
<p>Returns the singleton instance of this class.
Used by {@link org.slf4j.Logger#makeLoggingEventBuilder(Level) makeLoggingEventBuilder(Level)}.</p>

@return the singleton instance of this class
slf4j-api/src/main/java/org/slf4j/spi/NOPLoggingEventBuilder.java