import { type Agent } from '../../nodes/index.js';
import { BaseParser } from '../base-parser.js';
/**
 * `AgentParser` is responsible for parsing single adblock agent elements.
 *
 * @example
 * If the adblock agent rule is
 * ```adblock
 * [Adblock Plus 2.0; AdGuard]
 * ```
 * then the adblock agents are `Adblock Plus 2.0` and `AdGuard`, and this
 * class is responsible for parsing them. The rule itself is parsed by
 * `AgentCommentParser`, which uses this class to parse single agents.
 */
export declare class AgentParser extends BaseParser {
    /**
     * Regex to match a version inside a string.
     */
    private static readonly VERSION_REGEX;
    /**
     * Checks if the string is a valid version.
     *
     * The string can have a version in formats like
     * [Adblock Plus 2.0], or [Adblock Plus 3.1; AdGuard].
     *
     * @param str String to check
     * @returns `true` if the string is a valid version, `false` otherwise
     */
    private static isValidVersion;
    /**
     * Parses a raw rule as an adblock agent comment.
     *
     * @param raw Raw input to parse.
     * @param options Global parser options.
     * @param baseOffset Starting offset of the input. Node locations are calculated relative to this offset.
     * @returns Agent rule AST
     * @throws {AdblockSyntaxError} If the raw rule cannot be parsed as an adblock agent
     */
    static parse(raw: string, options?: import("../index.js").ParserOptions, baseOffset?: number): Agent;
}