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  158. <section id="object-implementation-support">
  159. <span id="newtypes"></span><h1>Object Implementation Support<a class="headerlink" href="#object-implementation-support" title="Link to this heading">¶</a></h1>
  160. <p>This chapter describes the functions, types, and macros used when defining new
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  198. <li class="toctree-l1"><a class="reference internal" href="gcsupport.html">Supporting Cyclic Garbage Collection</a><ul>
  199. <li class="toctree-l2"><a class="reference internal" href="gcsupport.html#controlling-the-garbage-collector-state">Controlling the Garbage Collector State</a></li>
  200. <li class="toctree-l2"><a class="reference internal" href="gcsupport.html#querying-garbage-collector-state">Querying Garbage Collector State</a></li>
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