If this object represents a class, the return value is an array containing objects representing all interfaces implemented by the class. The order of the interface objects in the array corresponds to the order of the interface names in the implements clause of the declaration of the class represented by this object.
There are 170 calories in a 1 bottle serving of Harpoon Brewery Harpoon IPA. Calorie breakdown: 0% fat, 100% carbs, 0% protein.
If a beer has a OG (original gravity of 1.048 and a FG of 1.010 would result in a beer of 5% ABV and 163 calories. If a beer has a OG of 1.055 and a FG of 1.017 you will get a beer that is also 5% ABV, but has 189 calories.