/**
 * Safety Extension Group (org.peacprotocol/safety)
 *
 * Records safety assessment evidence. Jurisdiction-neutral design.
 * Usage profiles decide when regulatory-specific fields become required.
 *
 * Design:
 *   - review_status required (universal assessment lifecycle)
 *   - risk_level optional at schema layer; usage profiles may require it
 *   - Open taxonomy for assessment_method, safety_measures, category
 *   - Observation-only semantics: records events, never enforces policy
 *
 * @see docs/specs/WIRE-0.2.md Section 12.12
 */
import { z } from 'zod';
export declare const SAFETY_EXTENSION_KEY: "org.peacprotocol/safety";
/**
 * Review status: universal safety assessment lifecycle.
 *
 * Closed enum: 4 states cover the assessment lifecycle across
 * EU AI Act, NIST AI RMF, ISO 23894, and general safety review.
 */
export declare const REVIEW_STATUSES: readonly ["reviewed", "pending", "flagged", "not_applicable"];
export declare const ReviewStatusSchema: z.ZodEnum<{
    reviewed: "reviewed";
    pending: "pending";
    flagged: "flagged";
    not_applicable: "not_applicable";
}>;
export type ReviewStatus = z.infer<typeof ReviewStatusSchema>;
/**
 * Risk level: converges across EU AI Act Art 6, NIST AI RMF, ISO 23894.
 *
 * Closed enum: 4 risk tiers. Optional at schema level to maintain
 * jurisdiction neutrality; usage profiles may require this field.
 */
export declare const RISK_LEVELS: readonly ["unacceptable", "high", "limited", "minimal"];
export declare const RiskLevelSchema: z.ZodEnum<{
    unacceptable: "unacceptable";
    high: "high";
    limited: "limited";
    minimal: "minimal";
}>;
export type RiskLevel = z.infer<typeof RiskLevelSchema>;
export declare const SafetyExtensionSchema: z.ZodObject<{
    review_status: z.ZodEnum<{
        reviewed: "reviewed";
        pending: "pending";
        flagged: "flagged";
        not_applicable: "not_applicable";
    }>;
    risk_level: z.ZodOptional<z.ZodEnum<{
        unacceptable: "unacceptable";
        high: "high";
        limited: "limited";
        minimal: "minimal";
    }>>;
    assessment_method: z.ZodOptional<z.ZodString>;
    safety_measures: z.ZodOptional<z.ZodArray<z.ZodString>>;
    incident_ref: z.ZodOptional<z.ZodString>;
    model_ref: z.ZodOptional<z.ZodString>;
    category: z.ZodOptional<z.ZodString>;
}, z.core.$strict>;
export type SafetyExtension = z.infer<typeof SafetyExtensionSchema>;
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