private void initTargetVariableList() {
        AbstractListModel<KtNamedDeclaration> listModel = new AbstractListModel<>() {
            @Override
            public int getSize() {
                return variables.length;
            }

            @Override
            public KtNamedDeclaration getElementAt(int index) {
                return variables[index];
            }
        };
        targetVariableList = new JBList<>(listModel);
        DefaultListCellRenderer listCellRenderer = new DefaultListCellRenderer() {
            private final DescriptorRenderer renderer = IdeDescriptorRenderers.SOURCE_CODE_TYPES_WITH_SHORT_NAMES;

            @Override
            public Component getListCellRendererComponent(
                    JList<?> list,
                    Object value,
                    int index,
                    boolean isSelected,
                    boolean cellHasFocus
            ) {
                super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
                if (value instanceof KtNamedDeclaration variable) {
                  setIcon(KotlinIconProvider.Companion.getBaseIcon(variable));
                    setText(variable.getName());
                    KotlinType type = MoveKotlinMethodProcessorKt.type(variable);
                    if (type != null) {
                        @NlsSafe String renderType = renderer.renderType(type);
                        setText(getText() + ": " + renderType);
                    }
                }
                return this;
            }
        };

        targetVariableList.setCellRenderer(listCellRenderer);
        targetVariableList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

        int defaultVariableIndex = -1;
        for (int i = 0; i < variables.length; i++) {
            if (variableToClassMap.get(variables[i]) == targetContainer) {
                defaultVariableIndex = i;
            }
        }
        targetVariableList.setSelectedIndex(defaultVariableIndex != -1 ? defaultVariableIndex : 0);
        targetVariableList.getSelectionModel().addListSelectionListener(e -> enableTextFields());

        JScrollPane scrollPane = ScrollPaneFactory.createScrollPane(targetVariableList);
        targetVariableListPanel.add(scrollPane);
    }
private void initTargetVariableList()