/**
 * Bridge between QueryBar DSL strings and AdvancedFilterGroup trees.
 */
import { type AdvancedFilterGroup, type AdvancedFilterRule, type FilterFieldDef } from './advancedFilters.js';
/** Parse a QueryBar-style string into a flat AND AdvancedFilterGroup. */
export declare function queryStringToGroup(query: string, fields?: FilterFieldDef[]): AdvancedFilterGroup;
/** Serialize flat rules to a QueryBar-ish AND string (ignores nested groups). */
export declare function groupToQueryString(group: AdvancedFilterGroup, fields?: FilterFieldDef[]): string;
/** Active filter chips derived from a group. */
export declare function groupToFilterItems(group: AdvancedFilterGroup, fields?: FilterFieldDef[]): {
    id: string;
    label: string;
    rule: AdvancedFilterRule;
}[];
/** Remove a rule by id from a (possibly nested) group; returns a new tree. */
export declare function removeRuleFromGroup(group: AdvancedFilterGroup, ruleId: string): AdvancedFilterGroup;
/** Replace root rules with a flat AND list (drops nesting). */
export declare function setFlatRules(rules: AdvancedFilterRule[], combinator?: 'and' | 'or'): AdvancedFilterGroup;