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<h2 id="references">References</h2> <ol> <li id="fn:1"><p>Fowler, Martin (1999). Refactoring. Addison Wesley. p. 336. ISBN 0201485672. <a href="0201485672" target="_blank">0201485672</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> </ol>