constructor(index, fireSeparatorButtonTriggered, separator) {
        super(index, false, separator);
        this.fireSeparatorButtonTriggered = fireSeparatorButtonTriggered;
        this.separator = separator;
        this.children = new Array();
        /**
         * If this item is >0, it means that there is some item in the list that is either:
         * * hovered over
         * * active
         */
        this.focusInsideSeparator = QuickPickSeparatorFocusReason.NONE;
    }
Some item within this section is active