src/vs/workbench/services/lifecycle/common/lifecycle.ts/StartupKindToString
export function StartupKindToString(startupKind: StartupKind): string {
	switch (startupKind) {
		case StartupKind.NewWindow: return 'NewWindow';
		case StartupKind.ReloadedWindow: return 'ReloadedWindow';
		case StartupKind.ReopenedWindow: return 'ReopenedWindow';
	}
}