code: func (c *Client) ListUnspentMinMax(minConf, maxConf int) ([]btcjson.ListUnspentResult, error) {
  	return c.ListUnspentMinMaxAsync(minConf, maxConf).Receive()
  }
docs: // ListUnspentMinMax returns all unspent transaction outputs known to a wallet,
  // using the specified number of minimum and maximum number of confirmations as
  // a filter.