Interface AgentEventEmitter

interface AgentEventEmitter {
    emit<K extends keyof AgentEventMap>(
        event: K,
        data: AgentEventMap[K],
    ): void;
    off<K extends keyof AgentEventMap>(
        event: K,
        handler: (data: AgentEventMap[K]) => void,
    ): void;
    on<K extends keyof AgentEventMap>(
        event: K,
        handler: (data: AgentEventMap[K]) => void,
    ): () => void;
}