import { Facet, Filter } from '@empathyco/x-types';
import { Store } from 'vuex';
import { Dictionary } from '@empathyco/x-utils';
import { RootXStoreState } from '../../../store/index';
import { FilterEntityFactory } from '../entities/filter-entity.factory';
import { FilterEntity } from '../entities/types';
import { FacetGroupEntry, FacetsGetters } from '../store/types';
import { FacetsGroup, FacetsService, FiltersMetadata } from './types';
/**
 * Default implementation for the {@link FacetsService}.
 *
 * @public
 */
export declare class DefaultFacetsService implements FacetsService {
    protected filterEntityFactory: FilterEntityFactory;
    /**
     * Global instance of the {@link FacetsService}.
     */
    static instance: FacetsService;
    constructor(filterEntityFactory?: FilterEntityFactory);
    /**
     * The {@link https://vuex.vuejs.org/ | Vuex} store to use in the service.
     *
     * @returns The store.
     * @internal
     */
    protected get store(): Store<RootXStoreState>;
    setFacets(facetsGroup: FacetsGroup): void;
    updateFacets(facetsGroup: FacetsGroup): void;
    updatePreselectedFilters(filters: Filter[]): void;
    selectPreselectedFilters(): void;
    clearFilters(facetIds?: Array<Facet['id']>, metadata?: FiltersMetadata): void;
    clearFiltersWithMetadata({ facetIds, metadata }?: {
        facetIds?: Array<Facet['id']>;
        metadata?: FiltersMetadata;
    }): void;
    deselect(filter: Filter, metadata?: Dictionary): void;
    select(filterOrFilters: Filter | Filter[]): void;
    toggle(filter: Filter): void;
    /**
     * Sets the query.
     *
     * @param query - The query searched.
     * @internal
     */
    setQuery(query: string): void;
    /**
     * Creates an entity from a filter DTO.
     *
     * @param filter - The filter to create an entity from.
     * @returns The filter entity.
     * @internal
     */
    protected getFilterEntity(filter: Filter): FilterEntity;
    /**
     * Sets in the store the Facets, the Filters and the FacetsGroup, without applying any logic
     * to the selected state.
     *
     * @param facetsGroup - The {@link FacetsGroup} to set into the store state.
     * @returns An array with the new filters.
     * @internal
     */
    protected updateStore(facetsGroup: FacetsGroup): Filter[];
    /**
     * This function returns the filters of the facets group flattened in an array. It keeps the
     * relations between the filters (parent--children).
     *
     * @privateRemarks If it is necessary to deal with more cases than the hierarchical, we need to
     * refactor this logic and maybe move it to the entities, to not make this service dependant of
     * the facet type. At the moment it is only one `if`, and is ok as long as no more `if`s are
     * needed.
     * @param facetsGroup - The facets group from where extract the filters to flat.
     * @returns An array with the filters flattened.
     * @internal
     */
    protected flatFilters(facetsGroup: FacetsGroup): Filter[];
    /**
     * Retrieves the selected filters from the store.
     *
     * @returns The list of selected filters of the store.
     * @internal
     */
    protected getSelectedFilters(): FacetsGetters['selectedFilters'];
    /**
     * Changes the filters selection state to match the store.
     *
     * @param newFilters - The list of filters to save.
     * @param previousFilters - (Optional) The list of old filters, used to set the `newFilters`
     * selected state.
     */
    protected updateFiltersSelectedState(newFilters: Filter[], previousFilters?: Filter[]): void;
    /**
     * Removes the filters that belong to the given group.
     *
     * @param groupId - The id of the group from whom remove the filters that are in the store.
     *
     * @returns The removed filters.
     *
     * @internal
     */
    protected removeGroupFilters(groupId: FacetsGroup['id']): Filter[];
    /**
     * Removes the facets that belong to the given group.
     *
     * @param groupId - The id of the group from whom remove the facets that are in the store.
     * @returns The removed facets.
     * @internal
     */
    protected removeGroupFacets(groupId: FacetsGroup['id']): Omit<Facet, 'filters'>[];
    /**
     * Sets the group that a facet belongs to.
     *
     * @param facetGroup - The id of the facet, and the group it belongs to.
     * @internal
     */
    protected setFacetGroup(facetGroup: FacetGroupEntry): void;
    /**
     * Sets the Facet to the store facets record.
     *
     * @param facet - The facet to store.
     *
     * @internal
     */
    protected setFacet({ filters, ...restFacet }: Facet): void;
    /**
     * Removes a facet from the store.
     *
     * @param facet - The facet to remove.
     * @internal
     */
    protected removeFacet(facet: Omit<Facet, 'filters'>): void;
    /**
     * Saves a list of filters to the store without any state change logic applied.
     *
     * @param filters - The filters to save.
     * @internal
     */
    protected setFilters(filters: Filter[]): void;
    /**
     * Saves a list of preselected filters to the store without any state change logic applied.
     *
     * @param filters - The filters to save.
     * @internal
     */
    protected setPreselectedFilter(filters: Filter[]): void;
    /**
     * Removes a list of filters from the store.
     *
     * @param filters - The filters to remove.
     * @internal
     */
    protected removeFilters(filters: Filter[]): void;
}
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