# File lib/oauthclient.rb, line 49
  def get_request_token(uri, callback = nil, param = nil)
    oauth_config.token = nil
    oauth_config.secret = nil
    oauth_config.callback = callback
    oauth_config.verifier = nil
    res = request(oauth_config.http_method, uri, param)
    filter_response(res)
    res
  end