an using any other
package: you can <code>npm install</code> it by hand, or add a dependency to your
<code>package.json</code> file and <code>npm install</code> it.</p>
<h3 id="building-shrinkwrapped-packages">Building shrinkwrapped packages</h3>
<p>To shrinkwrap an existing package:</p>
<ol>
<li>Run <code>npm install</code> in the package root to install the current
versions of all dependencies.</li>
<li>Validate that the package works as expected with these versions.</li>
<li>Run <code>npm shrinkwrap</cod