@rule('<STR_LIT>')<EOL><INDENT>def visit_next_filter(self, _, children):<DEDENT>
return children[<NUM_LIT:1>]<EOL>
A filter that follow another one (so it starts with a dot).

        Arguments
        ---------
        _ (node) : parsimonious.nodes.Node.
        children : list
            - 0: for ``DOT`` (a dot): ``None``.
            - 1: instance of ``.resources.Filter``

        Returns
        -------
        .resources.Filter
            Instance of ``.resources.Filter``.

        Example
        -------

        >>> FiltersParserMixin(r'.foo', default_rule='NEXT_FILTER').data
        .foo
        >>> FiltersParserMixin(r'.foo(1)', default_rule='NEXT_FILTER').data
        .foo(1)