code: func ServeFileUncompressed(ctx *RequestCtx, path string) {
  	ctx.Request.Header.DelBytes(strAcceptEncoding)
  	ServeFile(ctx, path)
  }
docs: // ServeFileUncompressed returns HTTP response containing file contents
  // from the given path.
  //
  // Directory contents is returned if path points to directory.
  //
  // ServeFile may be used for saving network traffic when serving files
  // with good compression ratio.
  //
  // See also RequestCtx.SendFile.