public bool CanUpgradeCapacity(IInfrastructure infrastructureToUpgrade)
 {
     return(infrastructureToUpgrade != null &&
            infrastructureToUpgrade.CanUpgrade(InfrastructureLevelType.Capacity));
 }
 public bool CanUpgradeTechnology(IInfrastructure infrastructureToUpgrade)
 {
     return(infrastructureToUpgrade != null &&
            infrastructureToUpgrade.CanUpgrade(InfrastructureLevelType.Technology));
 }