import { SsgContext, SsgStep } from "ssg-api";
import { SearchVisitor } from "./SearchVisitor.js";
import { HtmlRR0Context } from "../RR0Context.js";
/**
 * Saves the index file collected by the SearchCommand.
 */
export declare class SearchIndexStep implements SsgStep {
    protected fileName: string;
    protected searchCommand: SearchVisitor;
    protected contentRoot?: string;
    protected prepareContext?: (context: HtmlRR0Context, fileName: string) => void;
    protected encoding: BufferEncoding;
    /**
     * @param fileName The index file path
     * @param searchCommand The command that collected the pages info.
     */
    constructor(fileName: string, searchCommand: SearchVisitor, contentRoot?: string, prepareContext?: (context: HtmlRR0Context, fileName: string) => void);
    /**
     * Write the search index file.
     *
     * @param context
     */
    execute(context: SsgContext): Promise<any>;
    protected decodeTitle(title: string): string;
    protected readSourceTitle(sourceFile: string): string;
}