ache.
Removes all files in the <code><a href="../Classes/MapCache.html#/s:8MapCacheAAC04diskB0AA04DiskB0Cvp">diskCache</a></code>
As it may take some time to remove all files it calls the completition closure upon finishing the removal.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="high