>
          <p>Fetch the previous and current values for a record.</p>

          <div class="method-source-code" id="changes_to_save-source">
            <pre><span class="ruby-comment"># File lib/loggable_activity/services/base_payloads_builder.rb, line 30</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">changes_to_save</span>(<span class="ruby-identifier">record</span>)
  <span class="ruby-identifier">changes</span> = <span class="ruby-identifier">record</span>.<span 