import { OnModuleInit } from '@nestjs/common';
import { AssignCollectionsToChannelInput, ConfigurableOperationDefinition, CreateCollectionInput, DeletionResponse, LanguageCode, MoveCollectionInput, PreviewCollectionVariantsInput, RemoveCollectionsFromChannelInput, UpdateCollectionInput } from '@vendure/common/lib/generated-types';
import { ID, PaginatedList } from '@vendure/common/lib/shared-types';
import { RequestContext } from '../../api/common/request-context';
import { RelationPaths } from '../../api/decorators/relations.decorator';
import { ListQueryOptions } from '../../common/types/common-types';
import { Translated } from '../../common/types/locale-types';
import { ConfigService } from '../../config/config.service';
import { TransactionalConnection } from '../../connection/transactional-connection';
import { Collection } from '../../entity/collection/collection.entity';
import { ProductVariant } from '../../entity/product-variant/product-variant.entity';
import { EventBus } from '../../event-bus/event-bus';
import { JobQueueService } from '../../job-queue/job-queue.service';
import { ConfigArgService } from '../helpers/config-arg/config-arg.service';
import { CustomFieldRelationService } from '../helpers/custom-field-relation/custom-field-relation.service';
import { ListQueryBuilder } from '../helpers/list-query-builder/list-query-builder';
import { RequestContextService } from '../helpers/request-context/request-context.service';
import { SlugValidator } from '../helpers/slug-validator/slug-validator';
import { TranslatableSaver } from '../helpers/translatable-saver/translatable-saver';
import { TranslatorService } from '../helpers/translator/translator.service';
import { AssetService } from './asset.service';
import { ChannelService } from './channel.service';
import { RoleService } from './role.service';
export type ApplyCollectionFiltersJobData = {
    ctx: {
        channelToken: string;
        languageCode: LanguageCode;
    };
    collectionIds: ID[];
    applyToChangedVariantsOnly?: boolean;
};
/**
 * @description
 * Contains methods relating to {@link Collection} entities.
 *
 * @docsCategory services
 */
export declare class CollectionService implements OnModuleInit {
    private connection;
    private channelService;
    private assetService;
    private listQueryBuilder;
    private translatableSaver;
    private eventBus;
    private jobQueueService;
    private configService;
    private slugValidator;
    private configArgService;
    private customFieldRelationService;
    private translator;
    private roleService;
    private requestContextService;
    private rootCollection;
    private applyFiltersQueue;
    private applyAllFiltersOnProductUpdates;
    constructor(connection: TransactionalConnection, channelService: ChannelService, assetService: AssetService, listQueryBuilder: ListQueryBuilder, translatableSaver: TranslatableSaver, eventBus: EventBus, jobQueueService: JobQueueService, configService: ConfigService, slugValidator: SlugValidator, configArgService: ConfigArgService, customFieldRelationService: CustomFieldRelationService, translator: TranslatorService, roleService: RoleService, requestContextService: RequestContextService);
    /**
     * @internal
     */
    onModuleInit(): Promise<void>;
    findAll(ctx: RequestContext, options?: ListQueryOptions<Collection> & {
        topLevelOnly?: boolean;
    }, relations?: RelationPaths<Collection>): Promise<PaginatedList<Translated<Collection>>>;
    findOne(ctx: RequestContext, collectionId: ID, relations?: RelationPaths<Collection>): Promise<Translated<Collection> | undefined>;
    findByIds(ctx: RequestContext, ids: ID[], relations?: RelationPaths<Collection>): Promise<Array<Translated<Collection>>>;
    findOneBySlug(ctx: RequestContext, slug: string, relations?: RelationPaths<Collection>): Promise<Translated<Collection> | undefined>;
    /**
     * @description
     * Returns all configured CollectionFilters, as specified by the {@link CatalogOptions}.
     */
    getAvailableFilters(ctx: RequestContext): ConfigurableOperationDefinition[];
    getParent(ctx: RequestContext, collectionId: ID): Promise<Collection | undefined>;
    /**
     * @description
     * Returns all child Collections of the Collection with the given id.
     */
    getChildren(ctx: RequestContext, collectionId: ID): Promise<Collection[]>;
    /**
     * @description
     * Returns a Map of collection IDs to their product variant counts.
     * This performs a single bulk query to get counts for all provided collection IDs,
     * avoiding N+1 query issues when resolving productVariantCount on multiple collections.
     */
    getProductVariantCounts(ctx: RequestContext, collectionIds: ID[]): Promise<Map<ID, number>>;
    /**
     * @description
     * Returns an array of name/id pairs representing all ancestor Collections up
     * to the Root Collection.
     */
    getBreadcrumbs(ctx: RequestContext, collection: Collection): Promise<Array<{
        name: string;
        id: ID;
        slug: string;
    }>>;
    /**
     * @description
     * Returns all Collections which are associated with the given Product ID.
     */
    getCollectionsByProductId(ctx: RequestContext, productId: ID, publicOnly: boolean): Promise<Array<Translated<Collection>>>;
    /**
     * @description
     * Returns the descendants of a Collection as a flat array. The depth of the traversal can be limited
     * with the maxDepth argument. So to get only the immediate children, set maxDepth = 1.
     */
    getDescendants(ctx: RequestContext, rootId: ID, maxDepth?: number): Promise<Array<Translated<Collection>>>;
    /**
     * @description
     * Gets the ancestors of a given collection. Note that since ProductCategories are implemented as an adjacency list, this method
     * will produce more queries the deeper the collection is in the tree.
     */
    getAncestors(collectionId: ID): Promise<Collection[]>;
    getAncestors(collectionId: ID, ctx: RequestContext): Promise<Array<Translated<Collection>>>;
    previewCollectionVariants(ctx: RequestContext, input: PreviewCollectionVariantsInput, options?: ListQueryOptions<ProductVariant>, relations?: RelationPaths<Collection>): Promise<PaginatedList<ProductVariant>>;
    create(ctx: RequestContext, input: CreateCollectionInput): Promise<Translated<Collection>>;
    update(ctx: RequestContext, input: UpdateCollectionInput): Promise<Translated<Collection>>;
    delete(ctx: RequestContext, id: ID): Promise<DeletionResponse>;
    /**
     * @description
     * Moves a Collection by specifying the parent Collection ID, and an index representing the order amongst
     * its siblings.
     */
    move(ctx: RequestContext, input: MoveCollectionInput): Promise<Translated<Collection>>;
    /**
     * @description
     * By default, whenever product data is updated (as determined by subscribing to the
     * {@link ProductEvent} and {@link ProductVariantEvent} events), the CollectionFilters are re-applied
     * to all Collections.
     *
     * In certain scenarios, such as when a large number of products are updated at once due to
     * bulk data import, this can be inefficient. In such cases, you can disable this behaviour
     * for the duration of the import process by calling this method with `false`, and then
     * re-enable it by calling with `true`.
     *
     * Afterward, you can call the `triggerApplyFiltersJob` method to manually re-apply the filters.
     *
     * @since 3.1.3
     */
    setApplyAllFiltersOnProductUpdates(applyAllFiltersOnProductUpdates: boolean): void;
    /**
     * @description
     * Triggers the creation of an `apply-collection-filters` job which will cause the contents
     * of the specified collections to be re-evaluated against their filters.
     *
     * If no `collectionIds` option is passed, then all collections will be re-evaluated.
     *
     * @since 3.1.3
     */
    triggerApplyFiltersJob(ctx: RequestContext, options?: {
        collectionIds?: ID[];
        applyToChangedVariantsOnly?: boolean;
    }): Promise<void>;
    private getCollectionFiltersFromInput;
    private chunkArray;
    /**
     * Applies the CollectionFilters and returns the IDs of ProductVariants that need to be added or removed.
     */
    private applyCollectionFiltersInternal;
    /**
     * Gets all filters of ancestor Collections while respecting the `inheritFilters` setting of each.
     * As soon as `inheritFilters === false` is encountered, the collected filters are returned.
     */
    private getAncestorFilters;
    /**
     * Returns the IDs of the Collection's ProductVariants.
     */
    getCollectionProductVariantIds(collection: Collection, ctx?: RequestContext): Promise<ID[]>;
    /**
     * Returns the next position value in the given parent collection.
     */
    private getNextPositionInParent;
    private getParentCollection;
    private getRootCollection;
    /**
     * @description
     * Assigns Collections to the specified Channel
     */
    assignCollectionsToChannel(ctx: RequestContext, input: AssignCollectionsToChannelInput): Promise<Array<Translated<Collection>>>;
    /**
     * @description
     * Remove Collections from the specified Channel
     */
    removeCollectionsFromChannel(ctx: RequestContext, input: RemoveCollectionsFromChannelInput): Promise<Array<Translated<Collection>>>;
}