Akka.IO.ByteStringBuilder.Append C# (CSharp) Метод

        public ByteStringBuilder Append(IEnumerable<byte> xs)
        {
            var bs1C = xs as ByteString.ByteString1C;
            if (bs1C != null)
            {
                ClearTemp();
                _builder.Add(bs1C.ToByteString1());
                _length += bs1C.Count;
                return this;
            }
            var bs1 = xs as ByteString.ByteString1;
            if (bs1 != null)
            {
                ClearTemp();
                _builder.Add(bs1);
                _length += bs1.Count;
                return this;
            }
            var bss = xs as ByteString.ByteStrings;
            if (bss != null)
            {
                ClearTemp();
                _builder.AddRange(bss.Items);
                _length += bss.Count;
                return this;
            }
            return xs.Aggregate(this, (a, x) => a.PutByte(x));
        }