}
            }));
    assertEquals(newArrayList("a", "c", "e"), list);
  }

  // The Maps returned by Maps.filterEntries(), Maps.filterKeys(), and
  // Maps.filterValues() are not tested with removeIf() since Maps are not
  // Iterable.  Those returned by Iterators.filter() and Iterables.filter()
  // are not tested because they are unmodifiable.

            var filterValue = checkbox.data('filter-value');
            var isChecked = checkbox.prop('checked');

            if (filterType === 'label') {
                setFilter(state.filters.labels, filterValue, isChecked);
            } else if (filterType === 'ex_q') {
                setFilter(state.filters.extraQueries, filterValue, isChecked);
            }

	return "more than one suffix in filter rule"
}

// ErrInvalidFilterValue - invalid filter value error.
type ErrInvalidFilterValue struct {
	FilterValue string
}

func (err ErrInvalidFilterValue) Error() string {
	return fmt.Sprintf("invalid filter value '%v'", err.FilterValue)
}

// ErrDuplicateEventName - duplicate event name error.
type ErrDuplicateEventName struct {
	EventName Name
}