import type { EqualOptions } from "./_types.ts";
/**
 * Make an assertion that `actual` and `expected` are equal, deeply. If not
 * deeply equal, then throw.
 *
 * Type parameter can be specified to ensure values under comparison have the
 * same type.
 *
 * @example
 * ```ts ignore
 * import { assertEquals } from "../assert/mod.ts";
 *
 * assertEquals("world", "world"); // Doesn't throw
 * assertEquals("hello", "world"); // Throws
 * ```
 *
 * Note: formatter option is experimental and may be removed in the future.
 */
export declare function assertEquals<T>(
  actual: T,
  expected: T,
  options?: EqualOptions,
): void;