/**
 * The `DoublingRatio` class provides a client for measuring
 * the running time of a method using a doubling ratio test.
 * <p>
 * For additional documentation, see <a href="https://algs4.cs.princeton.edu/14analysis">Section 1.4</a>
 * of <i>Algorithms, 4th Edition</i> by Robert Sedgewick and Kevin Wayne.
 */
export default class DoublingRatio {
    static MAXIMUM_INTEGER: number;
    /**
     * Returns the amount of time to call `ThreeSum.count()` with <em>n</em>
     * random 6-digit integers.
     * @param  n the number of integers
     * @return  amount of time (in seconds) to call `ThreeSum.count()`
     * with <em>n</em> random 6-digit integers
     */
    static timeTrial(n: number): number;
    /**
     * Prints table of running times to call `ThreeSum.count()`
     * for arrays of size 250, 500, 1000, 2000, and so forth, along
     * with ratios of running times between successive array sizes.
     *
     * @param  args the command-line arguments
     */
    static main(): void;
}