@Override
  public List<XBreakpointGroupingRule<XLineBreakpoint<JavaLineBreakpointProperties>, ?>> getGroupingRules() {
    return XDebuggerUtil.getInstance().getGroupingByFileRuleAsList();
  }
@Override
  public List<XBreakpointGroupingRule<XLineBreakpoint<JavaLineBreakpointProperties>, ?>> getGroupingRules()