Interface IJuceBackend

interface IJuceBackend {
    addEventListener(
        eventId: string,
        fn: (payload: unknown) => void,
    ): [string, number];
    emitByBackend(eventId: string, object: string): void;
    emitEvent(eventId: string, object: unknown): void;
    removeEventListener(listener: [string, number]): void;
}