### Question:
Group { public Group description(String description) { this.description = description; return this; } private  Group(String description, Setting... settings); static Group of(String description, Setting... settings); static Group of(Setting... settings); Group description(String description); String getDescription(); List<Setting> getSettings(); PreferencesFxGroup getPreferencesGroup(); void setPreferencesGroup(PreferencesFxGroup preferencesGroup); void mark(); void unmark(); void addToBreadcrumb(String breadCrumb); String getBreadcrumb(); StringProperty breadcrumbProperty(); void setBreadcrumb(String breadcrumb);  }### Answer:
@Test public void description() { }