/**
 * (To be filled)
 */
export declare class WeightedRandomSelector<T> {
    private readonly candidateList;
    private candidateCount;
    private totalProbabiligyWeight;
    constructor();
    /**
     * Adds one element with provided weight of probability.
     * @param element
     * @param probabilityWeight
     * @chainable
     */
    push(element: T, probabilityWeight: number): WeightedRandomSelector<T>;
    /**
     * Clears all elements.
     * @chainable
     */
    clear(): WeightedRandomSelector<T>;
    /**
     * Returns one element randomly.
     * The probability for each element is:
     * (probability weight of the element) / (total probability weight)
     */
    get(): T;
}