The read side of withFilterSelection: the current selection of a filter as a list of tuples.
If the state has no such filter, or the filter has no parameter.
The filtered search state.
The endpoint of the filter or facet (for facets, the options endpoint).
The selected tuples, or [] when nothing is selected.
[]
The read side of withFilterSelection: the current selection of a filter as a list of tuples.
Throws
If the state has no such filter, or the filter has no parameter.