void (@NotNull JComponent targetComponent, @NotNull AnAction refreshAction) { DefaultActionGroup actionGroup = new DefaultActionGroup(); actionGroup.add(refreshAction); ActionToolbar actionToolbar = ActionManager.getInstance().createActionToolbar(SIMILAR_USAGES_PREVIEW_TOOLBAR, actionGroup, true); actionToolbar.getComponent().setBackground(UIUtil.getTextFieldBackground()); actionToolbar.setTargetComponent(targetComponent); add(actionToolbar.getComponent()); }