/**
 * Utilities for working with Canton active contracts.
 * Supports both flat (new) and legacy (wrapped) response formats.
 */
/**
 * Type guard: checks if item is in legacy wrapped format
 */
export declare function isLegacyContractItem(item: any): boolean;
/**
 * Normalizes a contract item from either format into a consistent shape.
 */
export declare function normalizeContractItem(item: any): any;