/**
 * Creates a directory and ensures it is actually accessible.
 * On Windows with Azure AD/Entra ID, directories created shortly after
 * wake-from-sleep can end up with broken NTFS ACLs (null DACL) when the
 * cloud SID cannot be resolved without network connectivity. This leaves
 * the directory completely inaccessible to the creating user.
 */
export declare function ensureAccessibleDir(dirPath: string): void;
/**
 * Returns true if the error is likely a transient model/provider failure.
 */
export declare function isRetryableModelFailure(error: unknown): boolean;