code: static public LoginOutput issueSession(LoginInput loginInput)
    throws SFException, SnowflakeSQLException
    {
      return tokenRequest(loginInput, TokenRequestType.ISSUE);
    }
docs: Issue a session
  
  @param loginInput login information
  @return login output
  @throws SFException           if unexpected uri information
  @throws SnowflakeSQLException if failed to renew the session