/**
 * Generates Cartesian product of filter values.
 */
export declare class Combinator {
    /**
     * Generates all combinations of input filters.
     * Example: { state: ['UP', 'DL'], year: [2024] } ->
     * [ { state: 'UP', year: 2024 }, { state: 'DL', year: 2024 } ]
     */
    static generateCombinations(filters: Record<string, (string | number)[]>): Record<string, string | number>[];
}
