public static void release(ClassLoader classLoader) {
        // since SLF4J based JCL does not make use of classloaders, there is nothing
        // to do here
    }
Release any internal references to previously created {@link LogFactory}
instances that have been associated with the specified class loader (if
any), after calling the instance method <code>release()</code> on each of
them.

@param classLoader
               ClassLoader for which to release the LogFactory
jcl-over-slf4j/src/main/java/org/apache/commons/logging/LogFactory.java