import { IncomingHttpHeaders } from 'http';
import { EventEmitter } from 'events';
import { KrasInjector, KrasRequest, KrasInjectorConfig, KrasConfiguration, KrasResult } from 'kras';
import { Bundler } from '../types';
export interface PiletInjectorConfig extends KrasInjectorConfig {
    /**
     * The pilets to serve.
     */
    pilets: Array<Pilet>;
    /**
     * The base URL for the app shell / portal to be used.
     */
    publicUrl: string;
    /**
     * The base URL for the pilet assets to be used.
     */
    assetUrl?: string;
    /**
     * Defines if properties from the feed (if given) meta response should be taken over to local pilets.
     */
    mergeConfig?: boolean;
    /**
     * The additional metadata file to consider for the pilets.
     */
    meta: string;
    /**
     * The API path - usually somethin like `/$pilet-api`.
     */
    api: string;
    /**
     * The directory of the app (usually Piral instance emulator) to serve.
     */
    app?: string;
    /**
     * The remote feed to merge into.
     */
    feed?: string;
    /**
     * The additional headers to include.
     */
    headers?: Record<string, string>;
}
interface Pilet {
    bundler: Bundler;
    root: string;
    dispose(): void;
    getMeta(basePath: string): PiletMetadata;
}
interface PiletMetadata {
    name?: string;
    config?: Record<string, any>;
    [key: string]: unknown;
}
export default class PiletInjector implements KrasInjector {
    readonly config: PiletInjectorConfig;
    private readonly serverConfig;
    private readonly indexPath;
    private readonly cbs;
    private proxyInfo?;
    constructor(config: PiletInjectorConfig, serverConfig: KrasConfiguration, core: EventEmitter);
    private setupBundler;
    private teardownBundler;
    get active(): boolean;
    set active(value: boolean);
    get name(): string;
    getOptions(): {};
    setOptions(options: any): void;
    getPiletApi(baseUrl: string): string;
    getPiletMeta(baseUrl: string, pilet: Pilet): string;
    getIndexMeta(baseUrl: string, headers: IncomingHttpHeaders): Promise<string>;
    loadRemoteFeed(rawHeaders: IncomingHttpHeaders, feed?: string | Array<string>): Promise<Array<Array<PiletMetadata>>>;
    mergePilets(localPilets: Array<PiletMetadata>, remoteFeeds: Array<Array<PiletMetadata>>): PiletMetadata[];
    sendContent(content: Buffer | string, type: string, url: string): KrasResult;
    sendFile(target: string, url: string): Promise<KrasResult>;
    sendResponse(path: string, req: KrasRequest, baseUrl: string): Promise<KrasResult>;
    sendIndexFile(target: string, url: string, baseUrl: string): Promise<KrasResult>;
    private download;
    private shouldLoad;
    handle(req: KrasRequest): Promise<KrasResult>;
}
export {};