@Override
    public SearchResult<String> searchTasks(
            String query, String freeText, int start, int count, List<String> sort) {
        return new SearchResult<>(0, Collections.emptyList());
    }
Dummy implementation of {@link IndexDAO} which does nothing. Nothing is ever indexed, and no
results are ever returned.
core/src/main/java/com/netflix/conductor/core/index/NoopIndexDAO.java