import type { Config } from 'payload';
export interface ABTestingPluginOptions {
    /**
     * Configuration for collections that should have A/B testing fields
     * Can be either an array of collection slugs or an object with more detailed configuration
     */
    collections: Record<string, ABCollectionConfig> | string[];
    /**
     * Enable or disable the plugin
     * @default false
     */
    disabled?: boolean;
    /**
     * PostHog configuration options
     */
    posthog?: PostHogConfig;
}
/**
 * PostHog configuration options
 */
export interface PostHogConfig {
    /**
     * PostHog project API key
     */
    apiKey?: string;
    /**
     * PostHog feature flag key to use for this experiment
     * If not provided, one will be generated based on the collection slug
     */
    featureFlagKey?: string;
    /**
     * PostHog host URL
     * @default 'https://app.posthog.com'
     */
    host?: string;
}
export interface ABCollectionConfig {
    /**
     * Enable or disable A/B testing for this collection
     * @default true
     */
    enabled?: boolean;
    /**
     * Fields to exclude from the A/B variant
     * Only used when fields is not specified
     * @default ['id', 'createdAt', 'updatedAt']
     */
    excludeFields?: string[];
    /**
     * Fields to include in the A/B variant
     * If not specified, all fields will be included except system fields
     */
    fields?: string[];
}
/**
 * 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;
export default abTestingPlugin;