/**
* @param array $countryCodes
*
* @throws \InvalidArgumentException
*
* @return static
*/
public function withCountryCodes(array $countryCodes)
{
Assertion::allString($countryCodes);
Assertion::allNotBlank($countryCodes);
$instance = clone $this;
$instance->countryCodes = $countryCodes;
return $instance;
}
/**
* @param array $stockTickers
*
* @throws \InvalidArgumentException
*
* @return static
*/
public function withStockTickers(array $stockTickers)
{
Assertion::allString($stockTickers);
Assertion::allNotBlank($stockTickers);
Assertion::lessOrEqualThan(count($stockTickers), NewsInterface::STOCK_TICKERS_MAX_COUNT);
$instance = clone $this;
$instance->stockTickers = $stockTickers;
return $instance;
}
