void (@NotNull AnActionEvent e) { String[] strings = ArrayUtilRt.toStringArray(myPredefinedSeparators); String current = getCurrentSeparator(); String separator = Messages.showEditableChooseDialog(PropertiesBundle.message("select.property.separator.dialog.text"), PropertiesBundle.message("select.property.separator.dialog.title"), Messages.getQuestionIcon(), strings, current, null); if (separator == null) { return; } myPredefinedSeparators.add(separator); refillActionGroup(); }