docs: private static String[] getDefinedFonts(Context ctx, Field[] fields) {
          ArrayList<String> fieldArray = new ArrayList<>();
          for (Field field : fields) {
              if (field.getName().contains("define_font_")) {
                  fieldArray.add(getStringResourceByName(ctx, field.getName()));
              }
          }
          return fieldArray.toArray(new String[0]);
      }