export declare class Observable<T> {
    listeners: {
        l: (v: T) => void;
        c: unknown | undefined;
    }[];
    listen: (listener: (v: T) => void, context?: unknown) => void;
    stopListen: (listener: (v: T) => void) => void;
    stopAllListen: () => void;
    notifyAll: (v: T, context?: unknown) => void;
    /**
     * Links the two observables so events raised in one will trigger the other one, and vice versa.
     * @param other The other observable to link with
     * @returns A function to unlink the two observables
     */
    link: (other: Observable<T>) => (() => void);
    /**
     * @deprecated This function does not unlink properly. Use the returned value from {@link link} instead.
     * @param other The other observable to link with
     */
    unlink: (other: Observable<T>) => void;
}
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