/i>. When a URLPatternSpec includes a URLPatternList, the patterns of the
 URLPatternList identify the resources to which the permission does NOT apply and depend on the pattern type and value
 of the first pattern as follows:

 <ul>
 <li>No pattern may exist in the URLPatternList that matches the first pattern.
 <li>If the first pattern is a path-prefix pattern, only exact patterns matched by the first pattern and path-prefix
 patterns matched by, but different from, the first pattern may occur in the URLP