Returns all the elements with the given route. 
      Syntax
         
         public abstract List< IParserDocument > getDocuments (String... route) throws IllegalArgumentException
       
      Parameters
         
         
            - 
               route – 
               The route to the elements
            
 
         
       
      Returns
         List of elements as new IParser documents
      Exceptions
         
         
            - 
               IllegalArgumentException – 
               if the argument is null.