The source node in most cases contains the sample message as written by the developer. If it looks like a dot-delimitted string such as "form.label.firstname", then the developer has not provided a default message.

Clear (%selected_items_count%) Wyczyść (%selected_items_count%) key: dropdown.clear key: dropdown.no_results Choose an option Wybierz opcję key: dropdown.placeholder All Wszystkie key: dropdown.placeholder.all No options available Brak dostępnych opcji key: dropdown.placeholder.empty All Wszystkie key: dropdown.placeholder.empty.label Select All Zaznacz wszystko key: dropdown.select_all