EmfOutput: Readonly<
    {
        _aws: {
            CloudWatchMetrics: {
                Dimensions: [string[]];
                Metrics: MetricDefinition[];
                Namespace: string;
            }[];
            Timestamp: number;
        };
        [key: string]: string
        | number
        | object;
    },
>

The output of the serializeMetrics() method, compliant with the Amazon CloudWatch Embedded Metric Format (EMF).