function isDisjunctiveFacetRefined(facet, value) {
    if (!this.isDisjunctiveFacet(facet)) {
      throw new Error(
        facet + ' is not defined in the disjunctiveFacets attribute of the helper configuration');
    }
    return RefinementList.isRefined(this.disjunctiveFacetsRefinements, facet, value);
  }