import { DotCMSEventUtmData } from '../../shared/models';
/**
 * Compares UTM parameters to detect campaign changes.
 * Only checks significant parameters: source, medium, and campaign.
 * @internal This function is for internal use only.
 * @param currentUTM - Current UTM parameters in DotCMS format
 * @returns True if UTM parameters have changed, false otherwise
 */
export declare const hasUTMChanged: (currentUTM: DotCMSEventUtmData) => boolean;