code: public PagedResult<Contact> listContacts(PaginationParameters parameters) throws SmartsheetException{
          String path = "contacts";
  
          if (parameters != null) {
              path += parameters.toQueryString();
          }
          return this.listResourcesWithWrapper(path, Contact.class);
      }
docs: Gets a list of the user’s Smartsheet Contacts.
  
  It mirrors to the following Smartsheet REST API method: GET /contacts
  
  @param parameters the pagination parameters
  @return the contacts as a paged list
  @throws SmartsheetException