import type { Config } from 'payload';
import type { ABTestingPluginOptions } from './types/index.js';
/**
 * Payload CMS plugin for A/B testing with PostHog
 * Adds an optional abVariant field group to specified collections
 */
export declare const abTestingPlugin: (pluginOptions: ABTestingPluginOptions) => (incomingConfig: Config) => Config;