private static boolean mayNeedMarker(List<? extends PsiReturnStatement> returns, PsiCodeBlock block) {
    for (PsiReturnStatement returnStatement : returns) {
      if (mayNeedMarker(returnStatement, block)) return true;
    }
    return false;
  }
private static boolean mayNeedMarker(List<? extends PsiReturnStatement> returns, PsiCodeBlock block)