docs: private boolean isMatchingString(String value1, String value2) {
          
          boolean valuesMatch = true;
          
          if (value1 == null) {
              if (value2 != null) {
                  valuesMatch = false;
              }
          } else { 
              valuesMatch = value1.equals(value2);
          }
          
          return valuesMatch;
      }