@NonNull
    @Override
    public EnumSet<GeocacheFilterType> getFilterCapabilities() {
        return EnumSet.of(GeocacheFilterType.DISTANCE, GeocacheFilterType.ORIGIN,
                GeocacheFilterType.NAME, GeocacheFilterType.OWNER,
                GeocacheFilterType.TYPE, GeocacheFilterType.SIZE,
                GeocacheFilterType.DIFFICULTY, GeocacheFilterType.TERRAIN, GeocacheFilterType.DIFFICULTY_TERRAIN, GeocacheFilterType.DIFFICULTY_TERRAIN_MATRIX,
                GeocacheFilterType.FAVORITES, GeocacheFilterType.STATUS, GeocacheFilterType.HIDDEN, GeocacheFilterType.EVENT_DATE, GeocacheFilterType.LOG_ENTRY);
    }
Indicates whether the given rating is acceptable (i.e. one might accept only integer values or restrict some other values)

@param rating rating given
@return true if rating is acceptable, false if not
main/src/main/java/cgeo/geocaching/connector/gc/GCConnector.java