Given a L<HTML::Zoom> stream, provide methods to apply filters which
alter the content of that stream.
+=head1 METHODS
+
+This class defines the following public API
+
+=head2 set_attribute
+
+ TBD
+
+=head2 add_attribute
+
+ TBD
+
+=head2 remove_attribute
+
+ TBD
+
+=head2 collect
+
+ TBD
+
+=head2 collect_content
+
+ TBD
+
+=head2 add_before
+
+ TBD
+
+=head2 add_after
+
+ TBD
+
+=head2 prepend_content
+
+ TBD
+
+=head2 append_content
+
+ TBD
+
+=head2 replace
+
+ TBD
+
+=head2 replace_content
+
+ TBD
+
+=head2 repeat
+
+ TBD
+
+=head2 repeat_content
+
+ TBD
+
=head1 ALSO SEE
L<HTML::Zoom>