EventBus

interface EventBus {
    emit(eventName: string, ...args: unknown[]): Promise<void>;
    emitLocal(eventName: string, ...args: unknown[]): Promise<void>;
    emitTo(
        resourceName: string,
        eventName: string,
        ...args: unknown[],
    ): Promise<void>;
    listenerCount(eventName: string): number;
    off<K extends keyof EventMap>(
        eventName: K,
        handler: (...args: EventMap[K]) => unknown,
    ): void;
    off(eventName: string, handler: (...args: unknown[]) => unknown): void;
    offClient(
        eventName: string,
        handler: (...args: unknown[]) => unknown,
    ): void;
    on<K extends keyof EventMap>(
        eventName: K,
        handler: (...args: EventMap[K]) => unknown,
    ): () => void;
    on(eventName: string, handler: (...args: unknown[]) => unknown): () => void;
    once<K extends keyof EventMap>(
        eventName: K,
        handler: (...args: EventMap[K]) => unknown,
    ): void;
    once(eventName: string, handler: (...args: unknown[]) => unknown): void;
    onceClient(
        eventName: string,
        handler: (...args: unknown[]) => unknown,
    ): void;
    onClient(
        eventName: string,
        handler: (...args: unknown[]) => unknown,
    ): () => void;
    onLocal(eventName: string, handler: (...args: unknown[]) => unknown): void;
}