*
   * <p><b>Warning:</b> On a file system that supports symbolic links, it is possible for an
   * insecure recursive delete to delete files and directories that are <i>outside</i> the directory
   * being deleted. This can happen if, after checking that a file is a directory (and not a
   * symbolic link), that directory is deleted and replaced by a symbolic link to an outside

   *
   * <p><b>Warning:</b> On a file system that supports symbolic links, it is possible for an
   * insecure recursive delete to delete files and directories that are <i>outside</i> the directory
   * being deleted. This can happen if, after checking that a file is a directory (and not a
   * symbolic link), that directory is deleted and replaced by a symbolic link to an outside

   *
   * <p>The returned traverser attempts to avoid following symbolic links to directories. However,
   * the traverser cannot guarantee that it will not follow symbolic links to directories as it is
   * possible for a directory to be replaced with a symbolic link between checking if the file is a
   * directory and actually reading the contents of that directory.
   *

   *
   * <p>The returned traverser attempts to avoid following symbolic links to directories. However,
   * the traverser cannot guarantee that it will not follow symbolic links to directories as it is
   * possible for a directory to be replaced with a symbolic link between checking if the file is a
   * directory and actually reading the contents of that directory.
   *

            <encoding>UTF-8</encoding>
            <docencoding>UTF-8</docencoding>
            <charset>UTF-8</charset>
            <additionalOptions>
              <additionalOption>-XDignore.symbol.file</additionalOption>
              <additionalOption>-Xdoclint:-html</additionalOption>
            </additionalOptions>
            <linksource>true</linksource>
            <source>8</source>

            <encoding>UTF-8</encoding>
            <docencoding>UTF-8</docencoding>
            <charset>UTF-8</charset>
            <additionalOptions>
              <additionalOption>-XDignore.symbol.file</additionalOption>
              <additionalOption>-Xdoclint:-html</additionalOption>
            </additionalOptions>
            <linksource>true</linksource>
            <source>8</source>

      assertFalse(MoreFiles.isRegularFile(NOFOLLOW_LINKS).apply(symlinkToFile));
    }
  }

  /**
   * Creates a new file system for testing that supports the given features in addition to
   * supporting symbolic links. The file system is created initially having the following file
   * structure:
   *
   * <pre>
   *   /
   *      work/
   *         dir/
   *            a
   *            b/