import type { BaseApp, RenderErrorOptions } from '../app/base.js';
import type { Pipeline } from '../base-pipeline.js';
import type { ErrorHandler } from './handler.js';
export interface DevErrorHandlerOptions {
    /**
     * Whether to inject CSP meta tags into the rendered error page response.
     * The Vite dev server injects them; the non-runnable dev pipeline does not.
     */
    shouldInjectCspMetaTags: boolean;
}
/**
 * The dev-server error handler. Renders custom 404/500 routes if the user
 * has them, otherwise throws so Vite's dev overlay is shown. Shared between
 * the Vite dev server (`AstroServerApp`) and the non-runnable dev pipeline
 * (`DevApp`); only `shouldInjectCspMetaTags` differs between them.
 */
export declare class DevErrorHandler implements ErrorHandler {
    #private;
    constructor(app: BaseApp<Pipeline>, options: DevErrorHandlerOptions);
    renderError(request: Request, { skipMiddleware, error, status, response: _response, pathname, ...resolvedRenderOptions }: RenderErrorOptions): Promise<Response>;
}
