src/main/java/com/google/devtools/build/docgen/templates/attributes/common/licenses.html

<p><code>List of strings; optional</code></p>

<p>
A list of license-type strings to be used for this particular build rule.
Overrides the <code>BUILD</code>-file scope defaults defined by the
<a href="${link licenses}"><code>licenses()</code></a> directive.
</p>