public String getHighlightMode() {
        Object possibleName = getObject(HIGHLIGHT_MODE_KEY);
        if (possibleName instanceof Name) {
            Name name = (Name) possibleName;
            if (name.getName().equalsIgnoreCase(HIGHLIGHT_NONE)) {
                return HIGHLIGHT_NONE;
            } else if (name.getName().equalsIgnoreCase(HIGHLIGHT_OUTLINE)) {
                return HIGHLIGHT_OUTLINE;
            } else if (name.getName().equalsIgnoreCase(HIGHLIGHT_PUSH)) {
                return HIGHLIGHT_PUSH;
            }
        }
        return HIGHLIGHT_INVERT;
    }