src/vs/platform/native/electron-sandbox/nativeHostService.ts/NativeHostService/constructor
class NativeHostService:	constructor(
		readonly windowId: number,
		@IMainProcessService mainProcessService: IMainProcessService
	) {
		return ProxyChannel.toService<INativeHostService>(mainProcessService.getChannel('nativeHost'), {
			context: windowId,
			properties: (() => {
				const properties = new Map<string, unknown>();
				properties.set('windowId', windowId);

				return properties;
			})()
		});
	}