app/src/main/java/db/juhaku/juhakudb/filter/Filters.java
/**
     * Add new filter to filters grouping.
     *
     * @param filter Instance of {@link Filter} to add for grouped query.
     *
     * @return Current filters grouping.
     */
Add new filter to filters grouping.
@param filter Instance of  Filter to add for grouped query.

@return Current filters grouping.
Add new filter to filters grouping . @param filter Instance of Filter to add for grouped query . @return Current filters grouping .
public Filters add(Filter filter) {
        filters.add(filter);
        return this;
    }
public Filters add ( Filter filter ) { filters . add ( filter ) ; return this ; }
Add new filter to filters grouping.
Add new filter to filters grouping .