export interface NodeInfo {
    version?: string;
    packageManager: 'pnpm' | 'yarn' | 'npm';
}
export interface PhpInfo {
    version?: string;
}
export interface PythonInfo {
    version?: string;
}
export interface StackInfo {
    node?: NodeInfo;
    php?: PhpInfo;
    python?: PythonInfo;
}
export declare function detectStack(dir: string): StackInfo;