@Deprecated
    public static Priority[] getAllPossiblePriorities() {
        return new Priority[] { Priority.FATAL, Priority.ERROR, Level.WARN, Priority.INFO, Priority.DEBUG };
    }
Return all possible priorities as an array of Level objects in
       descending order.
    
       @deprecated This method will be removed with no replacement.
       @return array of all possible priorities
log4j-over-slf4j/src/main/java/org/apache/log4j/Priority.java