/**
 * @file Cosmetic rule converter.
 */
import { type AnyCosmeticRule, type AnyRule } from '../../nodes/index.js';
import { type NodeConversionResult } from '../base-interfaces/conversion-result.js';
import { RuleConverterBase } from '../base-interfaces/rule-converter-base.js';
/**
 * Cosmetic rule converter class (also known as "non-basic rule converter").
 *
 * @todo Implement `convertToUbo` and `convertToAbp`.
 */
export declare class CosmeticRuleConverter extends RuleConverterBase {
    /**
     * Converts a cosmetic rule to AdGuard syntax, if possible.
     *
     * @param rule Rule node to convert.
     *
     * @returns An object which follows the {@link NodeConversionResult} interface. Its `result` property contains
     * the array of converted rule nodes, and its `isConverted` flag indicates whether the original rule was converted.
     * If the rule was not converted, the result array will contain the original node with the same object reference.
     *
     * @throws If the rule is invalid or cannot be converted.
     */
    static convertToAdg(rule: AnyCosmeticRule): NodeConversionResult<AnyRule>;
    /**
     * Converts a cosmetic rule to uBlock Origin syntax, if possible.
     *
     * @param rule Rule node to convert.
     *
     * @returns An object which follows the {@link NodeConversionResult} interface. Its `result` property contains
     * the array of converted rule nodes, and its `isConverted` flag indicates whether the original rule was converted.
     * If the rule was not converted, the result array will contain the original node with the same object reference.
     *
     * @throws If the rule is invalid or cannot be converted.
     */
    static convertToUbo(rule: AnyCosmeticRule): NodeConversionResult<AnyRule>;
}