import type { EcoPagesAppConfig } from '../types/internal-types.js';
import { type DevToolbarHostOptions } from './dev-toolbar-host.js';
export { DEV_TOOLBAR_RUNTIME_IMPORT } from './dev-toolbar-runtime-paths.js';
/**
 * Returns whether HTML responses should receive the dev toolbar bootstrap.
 */
export declare function shouldInjectDevToolbarHtmlResponse(appConfig: EcoPagesAppConfig, options: DevToolbarHostOptions): boolean;
/**
 * Injects the development dev toolbar runtime script into an HTML response if it is not already present.
 */
export declare function injectDevToolbarIntoHtmlResponse(appConfig: EcoPagesAppConfig, options: DevToolbarHostOptions, response: Response): Promise<Response>;