(<span class="keywordtype">int</span> * _Nullable)checkpointCount error:(NSError * _Nullable *)error;</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160; </div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;<span class="keyword">@end</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160; </div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;NS_ASSUME_NONNULL_END</div>
</div><!