import type { JsonValue } from '@openfeature/server-sdk';
/**
 * This interface represents a feature event, used to send evaluation events to the GO Feature Flag server.
 */
export interface FeatureEvent {
    /**
     * Kind is the kind of event.
     */
    kind: 'feature';
    /**
     * 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;
    /**
     * Default is true if the feature is using the default value.
     */
    default: boolean;
    /**
     * Value of the feature flag evaluation result.
     */
    value?: JsonValue;
    /**
     * Variation is the variation of the feature flag that was returned by the evaluation.
     */
    variation: string;
    /**
     * Version is the version of the feature flag that was evaluated.
     * If the feature flag is not versioned, this will be null or empty.
     */
    version?: string;
}