/**
 * Function that returns a random number between 0 and 1.
 * Exactly same signature as Math.random function.
 */
export type RandomFunction = () => number;
/**
 * Returns a "deterministic Math.random() function"
 *
 * Based on: https://gist.github.com/mathiasbynens/5670917
 */
export declare function _createDeterministicRandom(seed?: number): RandomFunction;