import { NextConfig } from 'next';
import { NextRequest, NextResponse } from 'next/server.js';

declare function getPopmeltProjectId(projectRoot?: string): string | null;
/**
 * Popmelt middleware handler for Next.js.
 * Call at the top of your middleware function to expose the project-scoped
 * /popmelt/status bootstrap used by the embedded toolbar.
 *
 * Returns a Response if the request was handled, or null if it should continue
 * to your normal middleware logic.
 *
 * @example
 * ```ts
 * import { popmeltMiddleware } from '@popmelt.com/core/next';
 *
 * export async function middleware(request: NextRequest) {
 *   const popmeltResponse = popmeltMiddleware(request);
 *   if (popmeltResponse) return popmeltResponse;
 *
 *   // ... your normal middleware logic
 * }
 * ```
 */
declare function popmeltMiddleware(request: NextRequest, options?: {
    port?: number;
    basePath?: string;
    projectRoot?: string;
    projectId?: string;
}): NextResponse | Promise<NextResponse> | null;
declare function withPopmelt(config: NextConfig, options?: {
    port?: number;
    projectRoot?: string;
    projectId?: string;
}): NextConfig;

export { getPopmeltProjectId, popmeltMiddleware, withPopmelt };