/**
 * Generates `true` with a given probability `p` and `false` with probability `1-p`.
 * @throws {RangeError} If `p` is not in range `[0, 1]`.
 * @example probability(0.8); // returns true 80% of the time and false 20% of the time.
 */
export declare const probability: (p: number) => boolean;