import { Constructor, GenericCallback } from "../../models.mjs";

//#region src/internal/value/compare.d.ts
type Comparator<Value = any> = (first: Value, second: Value) => number;
/**
 * Compare two values _(for sorting purposes)_
 *
 * @param first First value
 * @param second Second value
 * @returns `0` if equal; `-1` first comes before second; `1` first comes after second
 */
declare function compare(first: unknown, second: unknown): number;
declare namespace compare {
  var handlers: {
    deregister(constructor: Constructor): void;
    handle(first: unknown, second: unknown, ...parameters: unknown[]): number;
    register(constructor: Constructor, handler?: string | GenericCallback): void;
  };
  var deregister: typeof deregisterComparator;
  var register: typeof registerComparator;
}
/**
 * Deregister a custom comparison handler for a class
 *
 * _Available as `deregisterComparator` and `compare.deregister`_
 *
 * @param constructor Class constructor
 */
declare function deregisterComparator<Instance>(constructor: Constructor<Instance>): void;
/**
 * Register a custom comparison handler for a class
 *
 * _Available as `registerComparator` and `compare.register`_
 *
 * @param constructor Class constructor
 * @param handler Method name or comparison function _(defaults to `compare`)_
 */
declare function registerComparator<Instance>(constructor: Constructor<Instance>, handler?: string | Comparator<Instance>): void;
//#endregion
export { compare, deregisterComparator, registerComparator };