l">NSCollection</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-NSString"><a href="#module-NSString" class="anchor"></a><code><span class="keyword">module</span> <a href="NSString/index.html">NSString</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-JavaString"><a href="#module-JavaString" class="anchor"></a><code><span class="keyword">module</span> <a href="