return null;
}
@Override
public void refresh() {
DebugInfo info = content.getInfo();
String[] rels = info != null ? makeIntoRelArr(info.getRels()) : new String[] {};
String[] aliases = info != null ? makeIntoPointerArr(info.getAliases()) : new String[] {};
String[] labels = info != null ? makeIntoObjLabelArr(info.getAliases()) : new String[] {};
String statement = info != null ? info.getStatement() : "-";
relPane.setItems(rels);
objPane.setItems(labels);
aliasPane.setItems(aliases);
statementLabel.setText(statement);