import { AbsoluteFilenameNormalizer } from '../../absolute-filename-normalizer';
/**
 * DevAppPageNormalizer is a normalizer that is used to normalize a pathname
 * to a page in the `app` directory.
 */
export declare class DevAppPageNormalizer extends AbsoluteFilenameNormalizer {
    constructor(appDir: string, extensions: ReadonlyArray<string>);
}