src/vs/workbench/browser/parts/views/checkbox.ts/TreeItemCheckbox/render
class TreeItemCheckbox:	public render(node: ITreeItem) {
		if (node.checkbox) {
			if (!this.toggle) {
				this.createCheckbox(node);
			}
			else {
				this.toggle.checked = node.checkbox.isChecked;
				this.toggle.setIcon(this.toggle.checked ? Codicon.check : undefined);
			}
		}
	}