/**
 * Map a JSON Schema (Draft 2020-12 produced by `zod-to-json-schema`) into
 * the {@link FieldDescriptor} map consumed by {@link VaultSchemaSnapshot}.
 *
 * Used by both the persisted-schema path (decrypted envelope body) and the
 * live-validator path (in-process derivation).
 *
 * @module
 */
import type { FieldDescriptor, FieldSource } from './types.js';
export declare function jsonSchemaToFields(jsonSchema: unknown, source: FieldSource, refs?: Record<string, {
    target: string;
    mode: string;
}>): Record<string, FieldDescriptor>;