@rule('<STR_LIT>')<EOL><INDENT>def visit_next_filter(self, _, children):<DEDENT>
return children[<NUM_LIT:0>]<EOL>
A filter, not the first one. Could be a slice or a filter (or number) preceded by a dot.

        Arguments
        ---------
        _ (node) : parsimonious.nodes.Node.
        children : list
            - 0: a ``Filter`` or ``SliceFilter``

        Returns
        -------
        Filter or SliceFilter
            An instance of ``Filter`` if a filter, or ``SliceFilter`` if a number or a slice.

        Example
        -------

        >>> FiltersWithSlicingParserMixin('[1]', default_rule='NEXT_FILTER').data
        [1]
        >>> FiltersWithSlicingParserMixin('[1:2]', default_rule='NEXT_FILTER').data
        [1:2]
        >>> FiltersWithSlicingParserMixin('.1', default_rule='NEXT_FILTER').data
        [1]
        >>> FiltersWithSlicingParserMixin('.foo', default_rule='NEXT_FILTER').data
        .foo