@Override
            public void valueChanged(ListSelectionEvent e) {
                int index = myTable.getSelectionModel().getLeadSelectionIndex();
                if (index != -1) {
                    UsageInfo usageInfo = myOverridingMethods.get(index);
                    myUsagePreviewPanel.updateLayout(usageInfo.getProject(), Collections.singletonList(usageInfo));
                }
                else {
                    myUsagePreviewPanel.updateLayout(myProject, null);
                }
            }
@Override
            public void valueChanged(ListSelectionEvent e)