       <li><a href="#">Declaration</a></li>
        
        <li><a href="#tpc-instance-variables">Instance Variables</a></li>
        
        <li><a href="#tpc-failable-access">Failable Access</a></li>
        
        <li><a href="#tpc-constants">Constants</a></li>
        
        <li><a href="#tpc-method-call">Method Call</a></li>
        
        <li><a href="#tpc-attributes">Attributes</a></li>
        
        <li><a href="#tpc-class-variables">Class Variables</a></li>
        
        <li><a href="