import { ExpoConfig } from '@expo/config';
import { ManifestOptions } from './WebpackPWAManifestPlugin.types';
export declare function createPWAManifestFromExpoConfig(appJson: ExpoConfig): {
    background_color: any;
    description: any;
    dir: any;
    display: any;
    lang: any;
    name: any;
    orientation: any;
    prefer_related_applications: any;
    related_applications: any;
    scope: any;
    short_name: any;
    start_url: any;
    theme_color: any;
    crossorigin: any;
    startupImages: any;
    icons: any;
};
export declare function validateManifest(manifest: ManifestOptions): void;