import { FilterOperator } from "src/core/model/FilterOperator";
import { VariableFilter } from "src/core/model/VariableFilter";
/**
 * Utility functions for applying filter conditions.
 * Re-exports FilterEngine static methods for convenience.
 */
export declare class FilterUtil {
    /**
     * Check if a value passes a single filter.
     */
    static applyFilter(value: unknown, operator: FilterOperator, filterValue: string): boolean;
    /**
     * Check if ALL filters pass against the given variables map.
     */
    static passesAll(filters: VariableFilter[], variables: Record<string, unknown>): boolean;
    private static check;
    private static isNegation;
}