text: using System.IO;
  
  namespace OmniSharp.Common
  {
      public class NativeFileSystem : IFileSystem
      {
          public FileInfo GetFileInfo(string filename)
          {
              return new FileInfo(filename);
          }
  
  		public string GetDirectoryName(string filename)
  		{
  			return Path.GetDirectoryName(filename);
  		}
      }
  }
  