export default class NumberGenerator {
    private generator;
    seed: number;
    constructor(seed?: number);
    /**
     * Returns a uniformly distributed random integer between min and max
     */
    uniformInt(min: number, max: number): number;
    uniformFloat(min: number, max: number): number;
    /**
     * Returns a normally distributed random number with mean mu and standard deviation sigma.
     */
    normalFloat(mu: number, sigma: number): number;
    /**
     * Picks a single random element from the array.
     * Returns undefined if the array is empty.
     */
    pickRandom<T>(array: T[]): T | undefined;
    /**
     * Picks a random subset of the array without replacement.
     * Returns an empty array if the array is empty.
     */
    pickRandomArray<T>(array: T[], size: number): T[];
}
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