ProductService

class ProductService {    constructor(connection: TransactionalConnection, channelService: ChannelService, assetService: AssetService, productVariantService: ProductVariantService, facetValueService: FacetValueService, listQueryBuilder: ListQueryBuilder, translatableSaver: TranslatableSaver, eventBus: EventBus, slugValidator: SlugValidator, customFieldRelationService: CustomFieldRelationService, translator: TranslatorService, productOptionGroupService: ProductOptionGroupService)    findAll(ctx: RequestContext, options?: ListQueryOptions<Product>, relations?: RelationPaths<Product>) => Promise<PaginatedList<Translated<Product>>>;    findOne(ctx: RequestContext, productId: ID, relations?: RelationPaths<Product>) => Promise<Translated<Product> | undefined>;    findByIds(ctx: RequestContext, productIds: ID[], relations?: RelationPaths<Product>) => Promise<Array<Translated<Product>>>;    getProductChannels(ctx: RequestContext, productId: ID) => Promise<Channel[]>;    getFacetValuesForProduct(ctx: RequestContext, productId: ID) => Promise<Array<Translated<FacetValue>>>;    findOneBySlug(ctx: RequestContext, slug: string, relations?: RelationPaths<Product>) => Promise<Translated<Product> | undefined>;    create(ctx: RequestContext, input: CreateProductInput) => Promise<Translated<Product>>;    update(ctx: RequestContext, input: UpdateProductInput) => Promise<Translated<Product>>;    softDelete(ctx: RequestContext, productId: ID) => Promise<DeletionResponse>;    assignProductsToChannel(ctx: RequestContext, input: AssignProductsToChannelInput) => Promise<Array<Translated<Product>>>;    removeProductsFromChannel(ctx: RequestContext, input: RemoveProductsFromChannelInput) => Promise<Array<Translated<Product>>>;    addOptionGroupToProduct(ctx: RequestContext, productId: ID, optionGroupId: ID) => Promise<Translated<Product>>;    removeOptionGroupFromProduct(ctx: RequestContext, productId: ID, optionGroupId: ID, force?: boolean) => Promise<ErrorResultUnion<RemoveOptionGroupFromProductResult, Translated<Product>>>;}