}

            @Override
            public String getQueryFacetFieldsSize() {
                return "10";
            }

            @Override
            public Integer getQueryFacetFieldsSizeAsInteger() {
                return 10;
            }

            @Override
            public String getQueryFacetFieldsMinDocCount() {
                return "5";
            }

            @Override

        }
        if (StringUtil.isNotBlank(fessConfig.getQueryFacetFieldsSize())) {
            size = fessConfig.getQueryFacetFieldsSizeAsInteger();
        }
        if (StringUtil.isNotBlank(fessConfig.getQueryFacetFieldsMinDocCount())) {
            minDocCount = Long.parseLong(fessConfig.getQueryFacetFieldsMinDocCount());
        }