yid_value'>value</span><span class='period'>.</span><span class='id identifier rubyid_nil?'>nil?</span>
      <span class='id identifier rubyid_is_nullable'>is_nullable</span> <span class='op'>=</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_class'>class</span><span class='period'>.</span><span class='id identifier rubyid_openapi_nullable'>openapi_nullable</span><span class='period'>.</span><span class='id identifier rubyid_include?'>include?</span><span cl