src/main/java/org/apache/openwhisk/intellij/explorer/toolwindow/tree/WhiskTree.java [134:176]:
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        return Optional.empty();
    }

    @Override
    public Object getRoot() {
        return this.innerModel.getRoot();
    }

    @Override
    public Object getChild(Object parent, int index) {
        return this.innerModel.getChild(parent, index);
    }

    @Override
    public int getChildCount(Object parent) {
        return this.innerModel.getChildCount(parent);
    }

    @Override
    public boolean isLeaf(Object node) {
        return this.innerModel.isLeaf(node);
    }

    @Override
    public void valueForPathChanged(TreePath path, Object newValue) {
        this.innerModel.valueForPathChanged(path, newValue);

    }

    @Override
    public int getIndexOfChild(Object parent, Object child) {
        return this.innerModel.getIndexOfChild(parent, child);
    }

    @Override
    public void addTreeModelListener(TreeModelListener l) {
        this.innerModel.addTreeModelListener(l);

    }

    @Override
    public void removeTreeModelListener(TreeModelListener l) {
        this.innerModel.removeTreeModelListener(l);
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src/main/java/org/apache/openwhisk/intellij/wskdeploy/toolwindow/tree/WskDeployTreeModel.java [62:104]:
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        return Optional.empty();
    }

    @Override
    public Object getRoot() {
        return this.innerModel.getRoot();
    }

    @Override
    public Object getChild(Object parent, int index) {
        return this.innerModel.getChild(parent, index);
    }

    @Override
    public int getChildCount(Object parent) {
        return this.innerModel.getChildCount(parent);
    }

    @Override
    public boolean isLeaf(Object node) {
        return this.innerModel.isLeaf(node);
    }

    @Override
    public void valueForPathChanged(TreePath path, Object newValue) {
        this.innerModel.valueForPathChanged(path, newValue);

    }

    @Override
    public int getIndexOfChild(Object parent, Object child) {
        return this.innerModel.getIndexOfChild(parent, child);
    }

    @Override
    public void addTreeModelListener(TreeModelListener l) {
        this.innerModel.addTreeModelListener(l);

    }

    @Override
    public void removeTreeModelListener(TreeModelListener l) {
        this.innerModel.removeTreeModelListener(l);
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