r objects.
 If there are any specified configuration properties that are not
 supported by the provider, they won't be part of the returned map.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>a map of supported provider specific properties that are used
 to configure the created writers. The map may be empty but not null.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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