interface AutoUpdateInstallContext {
    installDir: string;
    packageJsonPath: string;
}
export declare function resolveInstallContext(runtimePackageJsonPath?: string | null): AutoUpdateInstallContext | null;
export declare function preparePackageUpdate(version: string, packageName?: string, runtimePackageJsonPath?: string | null): string | null;
export declare function runNpmInstallSafe(installDir: string, options?: {
    timeoutMs?: number;
    signal?: AbortSignal;
}): Promise<{
    ok: boolean;
    reason?: string;
    stderrTail?: string;
}>;
export {};
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