"#arg-txt"></a></dt>
<dd><p>a JSON string or file</p></dd>


<dt id="arg-overwrite">overwrite<a class="anchor" aria-label="anchor" href="#arg-overwrite"></a></dt>
<dd><p>a single logical. If TRUE the collection is overwritten
if it already exists (default: FALSE)</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    <p>No return value, called for side effects. The collection will be
available and operations will be po