env('MARKET_DATA_REFRESH', 30), // minutes 'default' => env('MARKET_DATA_PROVIDER', 'yahoo'), 'yahoo' => App\Interfaces\MarketData\YahooMarketData::class, 'alphavantage' => App\Interfaces\MarketData\AlphaVantageMarketData::class, 'fake' => App\Interfaces\MarketData\FakeMarketData::class, ];