declare class RuntimeConfig {
    command: string | number | null;
    context: string | null;
    isValidCommand: boolean;
    environment: string;
    useDevServer: boolean;
    devServerServerType: string | null;
    devServerFinalIsHttps: boolean | null;
    devServerHost: string | null;
    devServerPort: string | number | null;
    devServerPublic: string | null;
    devServerKeepPublicPath: boolean;
    outputJson: boolean;
    profile: boolean;
    babelRcFileExists: boolean | null;
    helpRequested: boolean;
    verbose: boolean;
    constructor();
}
export default RuntimeConfig;