/**
 * HTTP Server
 *
 * Handles server creation, request dispatch, error handling,
 * and graceful shutdown for Last.js applications.
 */
import type { Handler } from "./types";
/**
 * Create and start a Last.js HTTP server.
 *
 * Automatically determines port or unix socket from BUN_PORT env var or CLI arg.
 * Handles cleanup and graceful shutdown automatically.
 */
export declare function serve(handler: Handler, options?: {
    port?: number;
    unix?: string;
    websocket?: any;
}): Promise<any>;
export declare function findAvailablePort(startPort?: number): Promise<number>;
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