return err
			}
			return nil
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			cfg.FillConfigFromEnvironment()
			if err := cfg.Validate(); err != nil {
				return err
			}
			ext := NewDependencies(cfg)

			iptVer, err := ext.DetectIptablesVersion(false)
			if err != nil {
				return err
			}
			ipt6Ver, err := ext.DetectIptablesVersion(true)
			if err != nil {
				return err
			}

                    continue;
                }

                // Add dependencies for this goal
                newDependencies.clear();
                goal.attachNode();
                boolean done = goal.calculateDependencies(goalGraph, newDependencies);
                goal.state = done || newDependencies.isEmpty() ? ModelGoal.State.VisitingDependencies : ModelGoal.State.DiscoveringDependencies;

	types "istio.io/istio/tools/istio-iptables/pkg/config"
	"istio.io/istio/tools/istio-iptables/pkg/constants"
	dep "istio.io/istio/tools/istio-iptables/pkg/dependencies"
)

func NewDependencies(cfg *config.Config) dep.Dependencies {
	if cfg.DryRun {
		return &dep.DependenciesStub{}
	}
	return &dep.RealDependencies{}
}

type IptablesCleaner struct {
	ext   dep.Dependencies
	cfg   *config.Config

    }

    protected DependencyNodesSet getDependencyNodes() {
        return dependencyNodes;
    }

    protected void updateDependencyNodes(DependencyNodesSet newDependencies) {
        dependencyNodes = newDependencies;
    }

    /**
     * Called when a node that this node may be waiting for has completed.
     */
    public void onNodeComplete(Node node) {