export declare function installPack(packName: string, options?: {
    projectDir?: string;
}): {
    installed: string[];
    skipped: string[];
    scripts: string[];
    lifecycleHooks: string[];
};
export declare function removePack(packName: string, options?: {
    projectDir?: string;
}): {
    removed: string[];
    scripts: string[];
    lifecycleHooks: string[];
};
export declare function isPackInstalled(packName: string, options?: {
    projectDir?: string;
}): boolean | 'partial';