docs: public static void initialize( Class<?> i18nClass ) {
          validateI18nClass(i18nClass);
  
          synchronized (i18nClass) {
              // Find all public static non-final String fields in the supplied class and instantiate an I18n object for each.
              try {
                  for (Field fld : i18nClass.getDeclaredFields()) {
                      // Ensure field is of type I18n
                      if (fld.getType() == I18n.class) {
                          initializeI18nField(fld);
                      }
                  }
                  cleanupPreviousProblems(i18nClass);
              } catch (IllegalAccessException err) {
                  // If this happens, it will happen with the first field visited in the above loop
                  throw new IllegalArgumentException(CommonI18n.i18nClassNotPublic.text(i18nClass));
              }
          }
      }