if (myEventPathPrefix != null && prefix != null) { myEventPathPrefix = PathUtil.append(myEventPathPrefix, prefix); } else { myEventPathPrefix = prefix;
if (prefix == null && !myPathPrefixesStack.isEmpty()) { myPathPrefixesStack.remove(myPathPrefixesStack.size() - 1); } else if (prefix != null){ myPathPrefixesStack.add(prefix);
    protected void setEventPathPrefix(String prefix) {        if (myEventPathPrefix != null && prefix != null) {            myEventPathPrefix = PathUtil.append(myEventPathPrefix, prefix);        } else {            myEventPathPrefix = prefix;        }    }