FacetValueChecker

import { FacetValueChecker, LanguageCode, PromotionCondition, TransactionalConnection } from '@vendure/core';let facetValueChecker: FacetValueChecker;export const hasFacetValues = new PromotionCondition({  code: 'at_least_n_with_facets',  description: [    { languageCode: LanguageCode.en, value: 'Buy at least { minimum } products with the given facets' },  ],  args: {    minimum: { type: 'int' },    facets: { type: 'ID', list: true, ui: { component: 'facet-value-form-input' } },  },  init(injector) {    facetValueChecker = injector.get(FacetValueChecker);  },  async check(ctx, order, args) {    let matches = 0;    for (const line of order.lines) {      if (await facetValueChecker.hasFacetValues(line, args.facets)) {          matches += line.quantity;      }    }    return args.minimum <= matches;  },});

class FacetValueChecker implements OnModuleInit {    constructor(connection: TransactionalConnection, cacheService: CacheService, eventBus?: EventBus)    onModuleInit() => any;    hasFacetValues(orderLine: OrderLine, facetValueIds: ID[], ctx?: RequestContext) => Promise<boolean>;}