/**
 * @file Metadata comments
 */
import { type MetadataCommentRule } from '../../nodes/index.js';
import { BaseParser } from '../base-parser.js';
/**
 * `MetadataParser` is responsible for parsing metadata comments.
 * Metadata comments are special comments that specify some properties of the list.
 *
 * @example
 * For example, in the case of
 * ```adblock
 * ! Title: My List
 * ```
 * the name of the header is `Title`, and the value is `My List`, which means that
 * the list title is `My List`, and it can be used in the adblocker UI.
 * @see {@link https://help.eyeo.com/adblockplus/how-to-write-filters#special-comments}
 */
export declare class MetadataCommentParser extends BaseParser {
    /**
     * Parses a raw rule as a metadata 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 Metadata comment AST or null (if the raw rule cannot be parsed as a metadata comment)
     */
    static parse(raw: string, options?: import("../index.js").ParserOptions, baseOffset?: number): MetadataCommentRule | null;
}