/**
 * Fail-closed Win32 error type. Every backend API failure raises this with the
 * API name and the exact Win32 code; the original POC silently ignored every
 * failed call and would run children UNRESTRICTED (fail-open) — that is the
 * failure mode this class exists to prevent.
 * @module @deepseek-ai/dsh-sandbox-windows-acl/errors
 */
export declare class Win32Error extends Error {
    /** The failing Win32 API name, e.g. `CreateRestrictedToken`. */
    readonly api: string;
    /** The Win32 error code (`GetLastError` for BOOL APIs, the HRESULT-style return for ACL APIs). */
    readonly win32Code: number;
    constructor(api: string, win32Code: number, detail?: string);
}
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