docs: public static void assertStringNotNullAndNotTrimmedEmpty(String variableName, String value) {
          assertObjectNotNull("variableName", variableName);
          assertObjectNotNull("value", value);
          if (value.trim().length() == 0) {
              String msg = "The value should not be empty: variableName=" + variableName + " value=" + value;
              throw new IllegalArgumentException(msg);
          }
      }