import { AsyncFileSystem, FileSystem } from './fs';
import { NowConfig } from './now-config';
import { PackageJson } from 'type-fest';
export type App = {
    /**
     * The parsed package.json
     */
    package: Package;
    /**
     * SDK-specific configuration
     */
    config: NowConfig;
    /**
     * Root directory of the app
     */
    rootDir: string;
};
export type Package = PackageJson & {
    name: string;
    version: string;
    now?: NowConfig;
    dependencies?: Record<string, string>;
    devDependencies?: Record<string, string>;
};
export declare function parsePackageJsonAsync(rootDir: string, fs: AsyncFileSystem): Promise<Package>;
export declare function parsePackageJson(rootDir: string, fs: FileSystem): Package;
export declare function validateAppName(name: string | undefined): string | undefined;
export declare function validateScopeName(name: string | undefined, requiredPrefix?: string | undefined): string | undefined;