import { type ViteDevServer } from 'vite';
import { Emitter } from '../testing/emitter.js';
import type { RunnerEvents } from '../types.js';
import { BrowserManager } from './browser_manager.js';
import { ServerManager } from './server_manager.js';
import { TestPoolManager } from './test_pool_manager.js';
import type { Orchestrator } from './orchestrator.js';
/**
 * Options for shutdown operations.
 */
export interface ShutdownOptions {
    /**
     * Set to true to prevent terminating the Node process.
     */
    preventExit?: boolean;
}
/**
 * Manages the environment lifecycle (boot, server startup, browser management,
 * plugin hooks, coverage reporting, and graceful process shutdown).
 */
export declare class LifecycleManager {
    #private;
    vite?: ViteDevServer;
    serverManager?: ServerManager;
    browserManager?: BrowserManager;
    poolManager?: TestPoolManager;
    browserEmitter: Emitter<RunnerEvents>;
    serverUrl?: string;
    constructor(orchestrator: Orchestrator);
    /**
     * Registers teardown callbacks from plugin plan and boot phases.
     *
     * @param teardowns - Teardown functions to register.
     */
    registerTeardowns(teardowns: (() => void | Promise<void>)[]): void;
    /**
     * Boots the test environment: exception monitoring, plugins, pool manager,
     * Vite dev server, and Playwright browser instances.
     */
    boot(): Promise<void>;
    /**
     * Shuts down the entire test environment in an orderly sequence.
     *
     * @param exitCode - The exit code to terminate with.
     * @param options - Additional options, e.g. to prevent terminating the Node process.
     */
    shutdown(exitCode: number, options?: ShutdownOptions): Promise<void>;
}