import type { WebpackLayerName } from '../lib/constants'; import type { NextConfigComplete } from '../server/config-shared'; export declare function isResourceInPackages(resource: string, packageNames?: string[], packageDirMapping?: Map): boolean | undefined; export declare function resolveExternal(dir: string, esmExternalsConfig: NextConfigComplete['experimental']['esmExternals'], context: string, request: string, isEsmRequested: boolean, hasAppDir: boolean, getResolve: (options: any) => (resolveContext: string, resolveRequest: string) => Promise<[string | null, boolean]>, isLocalCallback?: (res: string) => any, baseResolveCheck?: boolean, esmResolveOptions?: any, nodeResolveOptions?: any, baseEsmResolveOptions?: any, baseResolveOptions?: any): Promise<{ localRes: any; res?: undefined; isEsm?: undefined; } | { res: string | null; isEsm: boolean; localRes?: undefined; }>; export declare function makeExternalHandler({ config, optOutBundlingPackageRegex, dir, hasAppDir, }: { config: NextConfigComplete; optOutBundlingPackageRegex: RegExp; dir: string; hasAppDir: boolean; }): (context: string, request: string, dependencyType: string, layer: WebpackLayerName | null, getResolve: (options: any) => (resolveContext: string, resolveRequest: string) => Promise<[string | null, boolean]>) => Promise;