pret the contents of a file
 containing a sequence of configuration entries, with one entry per AuthConfigProvider, and with each entry
 representing:
 <ul>
   <li>The fully qualified name of the provider implementation class (or null)
   <li>The list of provider initialization properties (which could be empty)
 </ul>
 
 Any provider initialization properties must be specified in a form that can be passed to the provider constructor
 within a Map of key, value pairs, and where all keys and values within the