code: public static LogManagementPlugin getLogManagementPlugin() {
  		final String loggerImpl = org.slf4j.impl.StaticLoggerBinder
  				.getSingleton().getLoggerFactoryClassStr();
  		if ("Log4jLoggerFactory﻿".equals(loggerImpl.substring(loggerImpl
  						.lastIndexOf(".") + 1))) {
  			return new LogManagementPluginLog4jImpl();
  		} else if (loggerImpl.indexOf("logback.") > 1
  				&& "ContextSelectorStaticBinder".equals(loggerImpl
  						.substring(loggerImpl.lastIndexOf(".") + 1))) {
  			return new LogManagementPluginLogbackImpl();
  		}
  		throw new UnsupportedOperationException();
  	}
docs: Get implementation for log management plugin.
  @return The implementation of log management plugin.