export declare const parseVersion: (packageVersion: string) => string;
export declare const packages: {
    lex: any;
    swc: string;
    typescript: string;
    vitest: string;
    webpack: string;
};
export declare const jsonVersions: (lexPackages: Record<string, string>) => Record<string, string>;
export interface VersionsCmd {
    readonly json?: boolean;
}
export declare const versions: (cmd: VersionsCmd, callback: (status: number) => void) => Promise<number>;