public void Run()
        {
            var shippedLines = File.ReadAllLines(ApiShippedFile);
            var builder      = new StringBuilder();
            var reader       = new ApiReader(new FileInfo(AssemblyFile));

            foreach (var api in reader.Read())
            {
                if (!shippedLines.Contains(api))
                {
                    builder.AppendLine(api);
                }
            }
            var unshippedApis = builder.ToString();

            File.WriteAllText(ApiShippedFile, unshippedApis);
        }