import { RegexReplacer, SsiEchoVarReplaceCommand, StringContextHandler } from "ssg-api";
import { HtmlRR0Context } from "../RR0Context.js";
/**
 * Replaces the SSI expression "<!--#echo var="title" -->" by the page's <title> content,
 * with a link if there's a <meta name="url"> content.
 */
export declare class SsiTitleReplaceCommand extends SsiEchoVarReplaceCommand {
    protected defaultHandlers: StringContextHandler[];
    protected static readonly setVarRegex: RegExp;
    /**
     * The title set by the file being processed, if any.
     */
    protected setTitle: string | undefined;
    /**
     * @param defaultHandlers Will generate a title for a given context/file, if no title is found.
     */
    constructor(defaultHandlers?: StringContextHandler[]);
    /**
     * Consumes a `<!--#set var="title" value="..." -->` directive first, as it would otherwise be read only after the
     * title has been resolved (and then output as a second `<title>` inside the page's body).
     */
    execute(context: HtmlRR0Context): Promise<void>;
    protected createReplacer(context: HtmlRR0Context): Promise<RegexReplacer>;
    protected getTitle(context: HtmlRR0Context): string;
    /**
     * @return The title implied by a file name: its directory's name for an index page (org/eu/fr/.../paris/index.html
     * gives "Paris"), its own name otherwise.
     */
    protected nameTitle(fileName: string): string;
}