Akka.Cluster.MetricsGossip.operator C# (CSharp) Method

        public static MetricsGossip operator +(MetricsGossip original, NodeMetrics newNode)
        {
            var existingNodeMetrics = original.NodeMetricsFor(newNode.Address);
            return original.Copy(existingNodeMetrics != null ? 
                original.Nodes.Remove(existingNodeMetrics).Add(existingNodeMetrics.Merge(newNode)) : 
                original.Nodes.Add(newNode));
        }