src/vs/workbench/services/preferences/browser/keybindingsEditorModel.ts/KeybindingsEditorModel/constructor
class KeybindingsEditorModel:	constructor(
		os: OperatingSystem,
		@IKeybindingService private readonly keybindingsService: IKeybindingService
	) {
		super();
		this._keybindingItems = [];
		this._keybindingItemsSortedByPrecedence = [];
		this.modifierLabels = {
			ui: UILabelProvider.modifierLabels[os],
			aria: AriaLabelProvider.modifierLabels[os],
			user: UserSettingsLabelProvider.modifierLabels[os]
		};
	}