Fixes #181: Example did not implement interface

src/DocBlock/Tags/Example.php

@@ -25,7 +25,7 @@ use function trim;
 /**
  * Reflection class for a {@}example tag in a Docblock.
  */
-final class Example implements Tag
+final class Example implements Tag, Factory\StaticMethod
 {
     /** @var string Path to a file to use as an example. May also be an absolute URI. */
     private $filePath;