/**
 * Treaty Extension Schema (v0.11.3+)
 *
 * Records agreement commitment levels in ext["org.peacprotocol/treaty"].
 * 4-level commitment_class vocabulary: informational, operational, financial, legal.
 *
 * Governance: commitment_class is a CLOSED vocabulary. Adding new levels requires
 * a registry update in registries.json and a minor version bump.
 *
 * Terms pairing: when terms_hash is provided alongside terms_ref, the hash
 * SHOULD correspond to the content at terms_ref. Future enforcement may
 * verify this binding at verification time.
 */
import { z } from 'zod';
export declare const TREATY_EXTENSION_KEY: "org.peacprotocol/treaty";
/**
 * Commitment class vocabulary.
 * Ascending levels of binding commitment.
 */
export declare const COMMITMENT_CLASSES: readonly ["informational", "operational", "financial", "legal"];
export declare const CommitmentClassSchema: z.ZodEnum<{
    informational: "informational";
    operational: "operational";
    financial: "financial";
    legal: "legal";
}>;
export type CommitmentClass = z.infer<typeof CommitmentClassSchema>;
/**
 * Treaty extension schema
 */
export declare const TreatySchema: z.ZodObject<{
    commitment_class: z.ZodEnum<{
        informational: "informational";
        operational: "operational";
        financial: "financial";
        legal: "legal";
    }>;
    terms_ref: z.ZodOptional<z.ZodString>;
    terms_hash: z.ZodOptional<z.ZodString>;
    counterparty: z.ZodOptional<z.ZodString>;
    effective_at: z.ZodOptional<z.ZodString>;
    expires_at: z.ZodOptional<z.ZodString>;
}, z.core.$strict>;
export type Treaty = z.infer<typeof TreatySchema>;
/**
 * Validate a Treaty object.
 */
export declare function validateTreaty(data: unknown): {
    ok: true;
    value: Treaty;
} | {
    ok: false;
    error: string;
};
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