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<p>Initialize this contact model from a JSON configuration object. </p>
<p>Given a JSON object containing configuration data for this contact model, this method reads the data and updates the state of the object accordingly. This is a pure virtual method that must be implemented by any subclass of <code><a class="el" href="classnetdem_1_1_contact_model.html" title="An abstract base class for contact models.">ContactModel</a></code>.</p>
<dl class="params"><dt>Parameters</dt><dd>
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