import type { OutgoingHttpHeaders } from 'node:http';
import type { AstroIntegrationLogger } from '../../core/logger/core.js';
export interface PreviewServer {
    host?: string;
    port: number;
    closed(): Promise<void>;
    stop(): Promise<void>;
}
export interface PreviewServerParams {
    outDir: URL;
    client: URL;
    server: URL;
    serverEntrypoint: URL;
    host: string | undefined;
    port: number;
    base: string;
    logger: AstroIntegrationLogger;
    headers?: OutgoingHttpHeaders;
    /**
     * Configures allowed hosts that the preview server can respond to.
     * If the `Host` header doesn't match one of the allowed hosts, the server will return a 403 response.
     */
    allowedHosts?: string[] | true;
    root: URL;
}
export type CreatePreviewServer = (params: PreviewServerParams) => PreviewServer | Promise<PreviewServer>;
export interface PreviewModule {
    default: CreatePreviewServer;
}