src/vs/base/browser/ui/toggle/toggle.ts/Checkbox/constructor
class Checkbox:	constructor(private title: string, private isChecked: boolean, styles: ICheckboxStyles) {
		super();

		this.checkbox = new Toggle({ title: this.title, isChecked: this.isChecked, icon: Codicon.check, actionClassName: 'monaco-checkbox', ...unthemedToggleStyles });

		this.domNode = this.checkbox.domNode;

		this.styles = styles;

		this.applyStyles();
	}