import { DataFetcher } from './data-fetcher.js';
export interface FilterConfig {
    id: string;
    type: string;
    sql: string;
    params: unknown[];
    param: string;
    label: string;
    defaultValue?: unknown;
}
export declare class FilterManager {
    private filterState;
    private fetcher;
    private onApply;
    constructor(fetcher: DataFetcher, onApply: () => void);
    getState(): Record<string, unknown>;
    init(filters: FilterConfig[]): Promise<void>;
    private loadFilterOptions;
    private setUIValue;
    private setupEventHandlers;
    private collectState;
    private resetState;
    applyToSQL(sql: string): string;
}
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