Interface ImageUsageEvent

interface ImageUsageEvent {
    fallbackTrace?: ImageFallbackTrace[];
    inputCount: number;
    latencyMs: number;
    model: string;
    operation: ImageOperation;
    outputBytes: number;
    outputCount: number;
    provider: ImageProvider;
    retryCount: number;
    safety?: ImageSafetyResult;
    usage?: ImageUsageMetrics;
}