/**
 * Convenience helpers for accessing UDP field metadata and step schemas.
 *
 * Mirrors the dating-schema field-helpers.ts pattern:
 * pre-built lookup maps with getFieldOptions() and getFieldMeta().
 *
 * @module udp-schema/field-helpers
 */
import type { z } from 'zod';
import type { FieldOption, ProfileField } from './profile-fields/types.js';
/**
 * Get the `{ value, label, description }` options array for a field by its key.
 *
 * @example
 * ```ts
 * import { getFieldOptions } from 'udp-schema';
 * const opts = getFieldOptions('gender');
 * // → [{ value: 'man', label: 'Man' }, { value: 'woman', label: 'Woman' }, ...]
 * ```
 */
export declare function getFieldOptions(fieldKey: string): readonly FieldOption[];
/**
 * Get full field metadata (label, description, step, type, options, etc.) by key.
 *
 * @example
 * ```ts
 * import { getFieldMeta } from 'udp-schema';
 * const meta = getFieldMeta('familyReligion');
 * // → { key: 'familyReligion', label: 'Family Religion', type: 'single_select', step: 1, options: [...], ... }
 * ```
 */
export declare function getFieldMeta(fieldKey: string): ProfileField | undefined;
/**
 * Get the Zod schema for a given step number.
 * Use `.partial().parse(data)` for sub-step saves.
 */
export declare function getStepSchema(stepNumber: number): z.ZodObject<any> | undefined;
/**
 * Get the list of field keys that are immutable after volunteer approval.
 */
export declare function getImmutableFields(): readonly string[];
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