docs: private static ExpressionFactory findExpressionFactory(String[] expressionFactoryClassNames)
      {
          for (String expressionFactoryClassName : expressionFactoryClassNames)
          {
              ExpressionFactory expressionFactory = loadExpressionFactory(expressionFactoryClassName);
              if (expressionFactory != null)
              {
                  return expressionFactory;
              }
          }
  
          return null;
      }