public java.util.Map<String, java.util.List<String>> getFilter() {
        return filter;
    }
public java . util . Map < String , java . util . List < String > > getFilter ( ) { return filter ; }
<p>
Filter is used to return entitlements for a specific customer or for a specific dimension. Filters are described
as keys mapped to a lists of values. Filtered requests are <i>unioned</i> for each value in the value list, and
then <i>intersected</i> for each filter key.
</p>

@return Filter is used to return entitlements for a specific customer or for a specific dimension. Filters are
described as keys mapped to a lists of values. Filtered requests are <i>unioned</i> for each value in the
value list, and then <i>intersected</i> for each filter key.