import type { EvaluationContext, TrackingEventDetails } from '@openfeature/server-sdk';
/**
 * TrackingEvent is an interface that represents a tracking event for a feature flag.
 * A tracking event is generated when we call the track method on the client.
 */
export interface TrackingEvent {
    /**
     * Kind is the kind of event.
     */
    kind: 'tracking';
    /**
     * Creation date of the event in seconds since epoch.
     */
    creationDate: number;
    /**
     * ContextKind is the kind of context that generated an event.
     */
    contextKind: string;
    /**
     * Feature flag name or key.
     */
    key: string;
    /**
     * User key is the unique identifier for the user or context (the targetingKey).
     */
    userKey: string;
    /**
     * EvaluationContext contains the evaluation context used for the tracking.
     */
    evaluationContext?: EvaluationContext;
    /**
     * TrackingDetails contains the details of the tracking event.
     */
    trackingEventDetails?: TrackingEventDetails;
}