import type child_process from 'child_process';
import type { ProcessSiteOptions } from '../../process/site.js';
import type { ISession } from '../../session/types.js';
type ServerOptions = {
    serverPort?: number;
    serverHost?: string;
};
export type StartOptions = ProcessSiteOptions & ServerOptions & {
    buildStatic?: boolean;
    headless?: boolean;
    port?: number;
    template?: string;
    baseurl?: string;
    keepHost?: boolean;
};
/**
 * Creates a content server and a websocket that can reload and log messages to the client.
 */
export declare function startContentServer(session: ISession, opts?: ServerOptions): Promise<{
    host: string;
    port: number;
    reload: () => void;
    log: (message: string) => void;
    stop: () => void;
}>;
export declare function warnOnHostEnvironmentVariable(session: ISession, opts?: StartOptions): string;
export type AppServer = {
    port: number;
    process: child_process.ChildProcess;
    stop: () => void;
};
export declare function startServer(session: ISession, opts: StartOptions): Promise<AppServer | undefined>;
export {};
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