import { TiebaUserObject } from './author-handler';
export interface TiebaThreadMetadataObject {
    id: number;
    title: string;
    url: string;
    page_number?: number;
    page_count?: number;
    reply_count?: number;
    author?: TiebaUserObject;
    previous_page_url?: string;
    next_page_url?: string;
    first_page_url?: string;
    last_page_url?: string;
    summary?: string;
}
export interface MetadataResolverOptions {
    generate_summary?: boolean;
    max_summary_length?: number;
}
export declare class MetadataResolver {
    static readonly REGEX: {
        HTML: RegExp;
        LINE_FEED: RegExp;
        BR: RegExp;
        TITLE: RegExp;
        PAGE_COUNT: RegExp;
        REPLY_COUNT: RegExp;
        CANONICAL_URL: RegExp;
        PREVIOUS_PAGE_URL: RegExp;
        NEXT_PAGE_URL: RegExp;
        FIRST_PAGE_URL: RegExp;
        LAST_PAGE_URL: RegExp;
        ID: RegExp;
        CURRENT_PAGE_NUMBER: RegExp;
    };
    static readonly OPTIONS: {
        generate_summary: boolean;
        max_summary_length: number;
    };
    static readonly BASE_URL: string;
    static fixurl(url: string): any;
    static extract(property: string, source: string): any;
    private options;
    constructor(options?: MetadataResolverOptions);
    parse(source: string): TiebaThreadMetadataObject;
}