an class='kw'>def</span> <span class='id identifier rubyid_list_invalid_properties'>list_invalid_properties</span>
  <span class='id identifier rubyid_warn'>warn</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>[DEPRECATED] the `list_invalid_properties` method is obsolete</span><span class='tstring_end'>&#39;</span></span>
  <span class='id identifier rubyid_invalid_properties'>invalid_properties</span> <span class='op'>=</span> <span class='const'>Array</span