         )
     }
 
+    /**
+     Returns kilogram `[kg]` mass unit.
+     
+     - author: Michal Konturek
+     */
     public static var kilogram: MassUnit {
         return MassUnit(
             name: "kilogram",


public final class MassUnit: Unit {

    public static var megagram: MassUnit {
        return MassUnit(
            name: "megagram",

        )
    }

    /**
     Returns milligram `[mg]` mass unit.
     
     - author: Michal Konturek
     */
    public static var milligram: MassUnit {
        return MassUnit(
            name: "milligram",
