83         this.groupSelectStyle = LayerSwitcher.getGroupSelectStyle(options.groupSelectStyle);
98         element.classList.add(CSS_PREFIX + 'group-select-style-' + this.groupSelectStyle);
218             groupSelectStyle: this.groupSelectStyle,  property
235         options.groupSelectStyle = LayerSwitcher.getGroupSelectStyle(options.groupSelectStyle);
236         LayerSwitcher.ensureTopVisibleBaseLayerShown(map, options.groupSelectStyle);
245         if (options.groupSelectStyle === 'children' ||
246             options.groupSelectStyle === 'none') {
251         else if (options.groupSelectStyle === 'group') {
342     static ensureTopVisibleBaseLayerShown(map, groupSelectStyle) {  argument
350             LayerSwitcher.setVisible_(map, lastVisibleBaseLyr, true, groupSelectStyle);
385     static setVisible_(map, lyr, visible, groupSelectStyle) {  argument
398             groupSelectStyle === 'children') {
400                 LayerSwitcher.setVisible_(map, l, lyr.getVisible(), groupSelectStyle);
435             if (!isBaseGroup && options.groupSelectStyle != 'none') {
443                     LayerSwitcher.setVisible_(map, lyr, target.checked, options.groupSelectStyle);
469                 LayerSwitcher.setVisible_(map, lyr, target.checked, options.groupSelectStyle);
583     static getGroupSelectStyle(groupSelectStyle) {  argument
584         return ['none', 'children', 'group'].indexOf(groupSelectStyle) >= 0
585             ? groupSelectStyle