code: func (cli *Client) ImageLoad(ctx context.Context, input io.Reader, quiet bool) (types.ImageLoadResponse, error) {
  	v := url.Values{}
  	v.Set("quiet", "0")
  	if quiet {
  		v.Set("quiet", "1")
  	}
  	headers := map[string][]string{"Content-Type": {"application/x-tar"}}
  	resp, err := cli.postRaw(ctx, "/images/load", v, input, headers)
  	if err != nil {
  		return types.ImageLoadResponse{}, err
  	}
  	return types.ImageLoadResponse{
  		Body: resp.body,
  		JSON: resp.header.Get("Content-Type") == "application/json",
  	}, nil
  }
docs: // ImageLoad loads an image in the docker host from the client host.
  // It's up to the caller to close the io.ReadCloser in the
  // ImageLoadResponse returned by this function.