/**
 * Privacy Extension Group (org.peacprotocol/privacy)
 *
 * Records data classification and handling observations.
 * Aligned with ISO/IEC 27701 concepts.
 *
 * Design:
 *   - Open taxonomy for data_classification, processing_basis, methods
 *   - Closed enums for retention_mode, recipient_scope (universal categories)
 *   - retention_period (ISO 8601 duration) and retention_mode are separate fields
 *     to keep duration grammar and non-duration semantics distinct
 *   - Observation-only semantics: records events, never enforces policy
 *
 * @see docs/specs/WIRE-0.2.md Section 12.11
 */
import { z } from 'zod';
export declare const PRIVACY_EXTENSION_KEY: "org.peacprotocol/privacy";
/**
 * Retention mode: non-duration retention semantics.
 * Separate from retention_period to keep duration grammar distinct.
 *
 * Closed enum: 3 values cover all non-duration retention patterns.
 */
export declare const RETENTION_MODES: readonly ["time_bound", "indefinite", "session_only"];
export declare const RetentionModeSchema: z.ZodEnum<{
    time_bound: "time_bound";
    indefinite: "indefinite";
    session_only: "session_only";
}>;
export type RetentionMode = z.infer<typeof RetentionModeSchema>;
/**
 * Recipient scope: aligned with GDPR Art 13-14 disclosure categories.
 *
 * Closed enum: 4 values cover standard data recipient classifications.
 */
export declare const RECIPIENT_SCOPES: readonly ["internal", "processor", "third_party", "public"];
export declare const RecipientScopeSchema: z.ZodEnum<{
    internal: "internal";
    processor: "processor";
    third_party: "third_party";
    public: "public";
}>;
export type RecipientScope = z.infer<typeof RecipientScopeSchema>;
export declare const PrivacyExtensionSchema: z.ZodObject<{
    data_classification: z.ZodString;
    processing_basis: z.ZodOptional<z.ZodString>;
    retention_period: z.ZodOptional<z.ZodString>;
    retention_mode: z.ZodOptional<z.ZodEnum<{
        time_bound: "time_bound";
        indefinite: "indefinite";
        session_only: "session_only";
    }>>;
    recipient_scope: z.ZodOptional<z.ZodEnum<{
        internal: "internal";
        processor: "processor";
        third_party: "third_party";
        public: "public";
    }>>;
    anonymization_method: z.ZodOptional<z.ZodString>;
    data_subject_category: z.ZodOptional<z.ZodString>;
    transfer_mechanism: z.ZodOptional<z.ZodString>;
}, z.core.$strict>;
export type PrivacyExtension = z.infer<typeof PrivacyExtensionSchema>;
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