span><span class='tstring_end'>&quot;</span></span>
<span class='const'>OAuthPolicy</span><span class='period'>.</span><span class='id identifier rubyid_callback'><span class='object_link'><a href="#callback-class_method" title="Trello::Authorization::OAuthPolicy.callback (method)">callback</a></span></span>            <span class='op'>=</span> <span class='const'>Proc</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span> <span class='kw'>do</span> <span class='op'>|</span><sp