public void setSections(final List<Section> SECTIONS) {
        getSections().setAll(SECTIONS);
        getSections().sort(new SectionComparator());
        fireTileEvent(SECTION_EVENT);
    }
Sets the sections to the given list of Section objects. The
sections will be used to colorize areas with a special
meaning such as the red area in a rpm tile.
Sections in the Medusa library
usually are less eye-catching than Areas.

@param SECTIONS
src/main/java/eu/hansolo/tilesfx/Tile.java