code: func (c *Client) SessionArgumentsGet() (sessionArgs *SessionArguments, err error) {
  	if err = c.rpcCall("session-get", nil, &sessionArgs); err != nil {
  		err = fmt.Errorf("'session-get' rpc method failed: %v", err)
  	}
  	return
  }
docs: // SessionArgumentsGet returns global/session values.
  // https://github.com/transmission/transmission/blob/2.9x/extras/rpc-spec.txt#L542