import type { FileFieldConfig, MediaFieldConfig } from '../../fields/types';
/**
 * Build Zod validation schema for media field
 * Validates media object structure or null
 */
export declare function buildMediaFieldSchema(config: MediaFieldConfig | FileFieldConfig): import("zod").ZodType<unknown, unknown, import("zod/v4/core").$ZodTypeInternals<unknown, unknown>>;
