import type { AppUserConfig } from '../types/index.js';
import type { AppToolsContext } from '../types/plugin.js';
export declare function createDefaultConfig(appContext: AppToolsContext): AppUserConfig;
/**
 * Default-enable lazy compilation for pure CSR and stream SSR. Stream SSR keeps
 * first-screen route assets correct via the route-eager lazyCompilation.test
 * injected by the SSR builder plugin. String SSR, RSC and SSG stay disabled.
 */
export declare function isLazyCompilationSafeByDefault(userConfig: Pick<AppUserConfig, 'server' | 'output'>): boolean;