@ue-too/board/utils/observable.d.ts

export type Observer<T extends any[]> = (...data: T) => void;
export interface SubscriptionOptions {
    signal?: AbortSignal;
}
export declare class Observable<T extends any[]> {
    private observers;
    subscribe(observer: Observer<T>, options?: SubscriptionOptions): () => void;
    notify(...data: T): void;
}