public SuperPowerSource()
{
Console.WriteLine($"Constructing a super expensive SuperPowerSource ...");
this.powerSource = new VariablePowerSource(1500);
}
public LightweightPowerSource()
{
Console.WriteLine($"Constructing a LightweightPowerSource ...");
this.powerSource = new VariablePowerSource(15);
}
public MainPowerSource()
{
Console.WriteLine($"Constructing an expensive MainPowerSource ...");
this.powerSource = new VariablePowerSource(1000);
}