import { Rating, Options } from './types.js';

/**
 * Compute a conservative "ordinal" skill estimate:
 *   α · [ (μ − z·σ) + target / α ]
 *
 * alpha: scales the entire metric.
 * target: shifts the baseline toward a desired floor/goal.
 * options.Z: controls how many standard deviations below μ you want
 *            (3 ⇒ ≈ 99.7 % confidence).
 */
declare const ordinal: (rating: Rating, options?: Options) => number;

export { ordinal as default };