import type { PdfPermissionFlags } from "./types.js";
/**
 * Compute the 32-bit permission integer for the PDF /P entry.
 *
 * When `flags` is undefined all permissions are granted (user-password-only mode).
 * Otherwise individual bits are set according to the PDF spec.
 */
export declare function computePermissionFlags(flags?: PdfPermissionFlags): number;
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