export type PackageManager = "pnpm" | "npm" | "yarn";
export declare const PACKAGE_MANAGERS: PackageManager[];
export declare function parsePackageManager(value: string): PackageManager;
/** Prefer explicit flag; otherwise infer from npm user agent when running via npx/npm. */
export declare function defaultPackageManager(): PackageManager;
export declare function installCommand(pm: PackageManager): {
    cmd: string;
    args: string[];
};
export declare function detectPackageManager(projectRoot: string): PackageManager;
export declare function runScriptCommand(pm: PackageManager, script: string): {
    cmd: string;
    args: string[];
};
export declare function devCommand(pm: PackageManager): {
    cmd: string;
    args: string[];
};
export declare function installHint(pm: PackageManager): string;
export declare function runCommand(cmd: string, args: string[], cwd: string, stdio?: "inherit" | "pipe"): Promise<number>;
export declare function getPackageManagerVersion(pm: PackageManager): Promise<string | null>;
export declare function assertPackageManagerInstalled(pm: PackageManager): Promise<string>;