import type { FilterValues } from './filterSchema.js';
import { type AdvancedFilterClause, type AdvancedFilterGroup } from './advancedFilters.js';
export type { AdvancedFilterClause, AdvancedFilterGroup, AdvancedFilterNode, AdvancedFilterRule, AdvancedFilterValue, FilterCombinator, FilterFieldDef, FilterFieldOption, FilterFieldType, FilterOperator, FilterValueKind } from './advancedFilters.js';
export { OP_LABELS, DEFAULT_OPS, FILTER_OPERATORS, clausesToGroup, groupToClauses, emptyFilterGroup, emptyFilterRule, flattenRules, countRules, matchGroup, matchRuleValue, resolveValueKind, operatorsForField, formatRuleLabel, asFilterGroup } from './advancedFilters.js';
/** Serializable catalog / ecommerce filter state (UI + URL). */
export interface CatalogPriceRange {
    min?: number;
    max?: number;
}
export interface CatalogFilterState {
    q: string;
    /** @deprecated Prefer `values` (schema-driven bag) */
    facets: Record<string, string[]>;
    /** Advanced query tree (AND/OR groups + rules) */
    advanced: AdvancedFilterGroup | AdvancedFilterClause[];
    sort?: string;
    page?: number;
    /** @deprecated Prefer `values.price` as [min,max] */
    price?: CatalogPriceRange;
    /** Preferred: one bag for all filter fields */
    values?: FilterValues;
}
export declare const EMPTY_FILTER_STATE: CatalogFilterState;
/** Parse catalog filter state from a query string or URLSearchParams. */
export declare function parseFilterParams(search: string | URLSearchParams): CatalogFilterState;
/** Serialize catalog filter state to URLSearchParams (omit empty keys). */
export declare function serializeFilterParams(state: CatalogFilterState): URLSearchParams;
/** Convenience: state → `?q=...&f.brand=...` string (empty string when no params). */
export declare function filterParamsToSearch(state: CatalogFilterState): string;
export declare function createEmptyFilterState(partial?: Partial<CatalogFilterState>): CatalogFilterState;