Добавление метода once() в интерфейс IEventManager из пакета @types/yandex-maps

declare-module-types-yandex-maps.d.ts

declare module '@types/yandex-maps' {
	import {IEvent} from '@types/yandex-maps';
	declare namespace ymaps {
		interface IEventManager {
			once(types: string[][] | string[] | string, callback: (event: object | IEvent) => void, context?: object, priority?: number): this;
		}
	}
	export = ymaps;
	export as namespace ymaps;
}