he input is not
</span>      <span class='kw'>if</span> <span class='id identifier rubyid_attributes'>attributes</span><span class='lbracket'>[</span><span class='id identifier rubyid_attribute_map'>attribute_map</span><span class='lbracket'>[</span><span class='id identifier rubyid_key'>key</span><span class='rbracket'>]</span><span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='const'>Array</span><span cl