Interface EventsEmitter<E>

interface EventsEmitter<E extends EventsDefinition = EventsDefinition> {
    on<N extends string | number | symbol>(
        name: N,
        callback: EventCallbackFn<E[N]>,
        isOnce?: boolean,
    ): EventUnsubscribeFn;
    once<N extends string | number | symbol>(
        name: N,
        callback: EventCallbackFn<E[N]>,
    ): EventUnsubscribeFn;
    off(): void;
    off<N extends string | number | symbol>(name: N): void;
    off<N extends string | number | symbol>(
        name: N,
        callback: EventCallbackFn<E[N]>,
    ): void;
    emit<N extends string | number | symbol>(
        name: N,
        params: E[N],
    ): Promise<void>;
}