blah.cs

    class NonBlockingReplicator: INonBlockingReplicator
    {
        public event EventHandler Replicated;

        private readonly IHttpReplicator _httpReplicator;
        public NonBlockingReplicator(IHttpReplicator httpReplicator) => _httpReplicator = httpReplicator;

        public void Replicate(Guid id, string serialized, bool notify = true) =>
           Task.Run(() => _httpReplicator.Replicate(serialized))
                .ContinueWith((replicated) =>
                {
                    if (notify)
                    {
                        Replicated?.Invoke(this, new ReplicatedOneEvent { Id = id } );
                    }
                });
        
        public void Replicate(Dictionary<Guid, string> serialized, bool notify = true) =>
            Task.Run(() => _httpReplicator.Replicate(serialized))
                .ContinueWith((replicated) =>
                {
                    if (notify)
                    {
                        Replicated?.Invoke(this, new ReplicatedManyEvent { Ids = replicated.Result });
                    }
                });

    }