if (TiledConfiguration.getInstance().keyHasValue("tiled.report.io",1)) {
if (configuration.keyHasValue("tiled.report.io", 1)) {
    private void reportPluginMessages(Stack s) {        // TODO: maybe have a nice dialog with a scrollbar, in case there are a        // lot of messages...        if (TiledConfiguration.getInstance().keyHasValue("tiled.report.io",1)) {            if (s.size() > 0) {                Iterator itr = s.iterator();                String warnings = "";                while(itr.hasNext()) {                    String warn = (String) itr.next();                    warnings = warnings + warn + "\n";                }                JOptionPane.showMessageDialog(appFrame,  warnings,                        "Loading Messages",                        JOptionPane.INFORMATION_MESSAGE);            }        }    }