@Callable
    public Map<String, Object> getProjectTags()
    {
        List<Map<String, Object>> tags = new ArrayList<>();
        
        for (String id : _tagProviderExtPt.getExtensionsIds())
        {
            TagProvider<? extends Tag> tagProvider = _tagProviderExtPt.getExtension(id);
            Map<String, ? extends Tag> someTags = tagProvider.getTags(Collections.emptyMap());

            tags.addAll(_tagsToJSON(someTags.values()));
        }
        
        Map<String, Object> result = new HashMap<>();
        result.put("tags", tags);
        result.put("canCreate", _rightManager.currentUserHasRight(ProjectConstants.RIGHT_PROJECT_HANDLE_TAGS, "/cms") == RightResult.RIGHT_ALLOW);
        return result;
    }