code: public PagedResult<Sheet> listSheets(EnumSet<SourceInclusion> includes, PaginationParameters pagination) throws SmartsheetException {
          return this.listSheets(includes, pagination, null);
      }
docs: List all sheets.
  
  It mirrors to the following Smartsheet REST API method: GET /sheets
  
  @param includes the source inclusion
  @param pagination the object containing the pagination parameters
  @return A list of all sheets (note that an empty list will be returned if there are none).
  @throws IllegalArgumentException if any argument is null or empty string
  @throws InvalidRequestException if there is any problem with the REST API request
  @throws AuthorizationException if there is any problem with  the REST API authorization (access token)
  @throws ResourceNotFoundException if the resource cannot be found
  @throws ServiceUnavailableException if the REST API service is not available (possibly due to rate limiting)
  @throws SmartsheetException if there is any other error during the operation