How to use the opennms.API.OrderBy function in opennms

addOrderBy(orderBy) {
        if (orderBy instanceof API.OrderBy) {
            const uiOrderBy = new Mapping.OrderByMapping(this.uiSegmentSrv, this.entity).getUiOrderBy(orderBy);
            this.query.addOrderBy(uiOrderBy);
        } else if (orderBy instanceof UI.OrderBy) {
            this.query.addOrderBy(orderBy);
        } else {
            throw new Error("OrderBy type is not supported");
        }
    }