import { type MaybePromise, type NarrowToExpected } from '@augment-vir/core';
import { type WaitUntilOptions } from '../../guard-types/wait-until-function.js';
export declare const deepEquals: <const Actual, const Expected extends Actual>(this: void, actual: Actual, expected: Expected, failureMessage?: string | undefined) => asserts actual is NarrowToExpected<Actual, Expected>;
export declare const simpleEqualityGuards: {
    assert: {
        /**
         * Asserts that two values are strictly equal (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using)).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * assert.strictEquals('a', 'a'); // passes
         *
         * assert.strictEquals('1', 1); // fails
         *
         * assert.strictEquals({a: 'a'}, {a: 'a'}); // fails
         *
         * const objectExample = {a: 'a'};
         * assert.strictEquals(objectExample, objectExample); // passes
         * ```
         *
         * @throws {@link AssertionError} If both inputs are not strictly equal.
         * @see
         * - {@link assert.notStrictEquals} : the opposite assertion.
         * - {@link assert.looseEquals} : the loose equality assertion.
         */
        strictEquals<const Actual, const Expected extends Actual>(this: void, actual: Actual, expected: Expected, failureMessage?: string | undefined): asserts actual is Expected;
        /**
         * Asserts that two values are _not_ strictly equal (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using)).
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * assert.notStrictEquals('a', 'a'); // fails
         *
         * assert.notStrictEquals('1', 1); // passes
         *
         * assert.notStrictEquals({a: 'a'}, {a: 'a'}); // passes
         *
         * const objectExample = {a: 'a'};
         * assert.notStrictEquals(objectExample, objectExample); // fails
         * ```
         *
         * @throws {@link AssertionError} If both inputs are strictly equal.
         * @see
         * - {@link assert.strictEquals} : the opposite assertion.
         * - {@link assert.notLooseEquals} : the loose equality assertion.
         */
        notStrictEquals(this: void, actual: unknown, expected: unknown, failureMessage?: string | undefined): void;
        /**
         * Asserts that two values are loosely equal (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using)).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * assert.looseEquals('a', 'a'); // passes
         *
         * assert.looseEquals('1', 1); // passes
         *
         * assert.looseEquals({a: 'a'}, {a: 'a'}); // fails
         *
         * const objectExample = {a: 'a'};
         * assert.looseEquals(objectExample, objectExample); // passes
         * ```
         *
         * @throws {@link AssertionError} If both inputs are not loosely equal.
         * @see
         * - {@link assert.notLooseEquals} : the opposite assertion.
         * - {@link assert.strictEquals} : the strict equality assertion.
         */
        looseEquals(this: void, actual: unknown, expected: unknown, failureMessage?: string | undefined): void;
        /**
         * Asserts that two values are _not_ loosely equal (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using)).
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * assert.notLooseEquals('a', 'a'); // fails
         *
         * assert.notLooseEquals('1', 1); // fails
         *
         * assert.notLooseEquals({a: 'a'}, {a: 'a'}); // passes
         *
         * const objectExample = {a: 'a'};
         * assert.notLooseEquals(objectExample, objectExample); // fails
         * ```
         *
         * @throws {@link AssertionError} If both inputs are loosely equal.
         * @see
         * - {@link assert.looseEquals} : the opposite assertion.
         * - {@link assert.strictEquals} : the strict equality assertion.
         */
        notLooseEquals(this: void, actual: unknown, expected: unknown, failureMessage?: string | undefined): void;
        /**
         * Asserts that two values are deeply equal using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * assert.deepEquals('a', 'a'); // passes
         *
         * assert.deepEquals('1', 1); // fails
         *
         * assert.deepEquals({a: 'a'}, {a: 'a'}); // passes
         *
         * const objectExample = {a: 'a'};
         * assert.deepEquals(objectExample, objectExample); // passes
         * ```
         *
         * @throws {@link AssertionError} If both inputs are not deeply equal.
         * @see
         * - {@link assert.notDeepEquals} : the opposite assertion.
         * - {@link assert.entriesEqual} : a less expensive (but less thorough) deep equality assertion.
         * - {@link assert.jsonEquals} : a less expensive (but less thorough) deep equality assertion.
         */
        deepEquals<const Actual, const Expected extends Actual>(this: void, actual: Actual, expected: Expected, failureMessage?: string | undefined): asserts actual is NarrowToExpected<Actual, Expected>;
        /**
         * Asserts that two values are _not_ deeply equal using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * assert.notDeepEquals('a', 'a'); // false
         *
         * assert.notDeepEquals('1', 1); // passes
         *
         * assert.notDeepEquals({a: 'a'}, {a: 'a'}); // fails
         *
         * const objectExample = {a: 'a'};
         * assert.notDeepEquals(objectExample, objectExample); // fails
         * ```
         *
         * @throws {@link AssertionError} If both inputs are deeply equal.
         * @see
         * - {@link assert.deepEquals} : the opposite assertion.
         * - {@link assert.notEntriesEqual} : a less expensive (but less thorough) deep equality assertion.
         * - {@link assert.notJsonEquals} : a less expensive (but less thorough) deep equality assertion.
         */
        notDeepEquals(this: void, actual: unknown, expected: unknown, failureMessage?: string | undefined): void;
    };
    check: {
        /**
         * Checks that two values are strictly equal (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using)).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * check.strictEquals('a', 'a'); // true
         *
         * check.strictEquals('1', 1); // false
         *
         * check.strictEquals({a: 'a'}, {a: 'a'}); // false
         *
         * const objectExample = {a: 'a'};
         * check.strictEquals(objectExample, objectExample); // true
         * ```
         *
         * @see
         * - {@link check.notStrictEquals} : the opposite check.
         * - {@link check.looseEquals} : the loose equality check.
         */
        strictEquals<Actual, Expected extends Actual>(this: void, actual: Actual, expected: Expected): actual is NarrowToExpected<Actual, Expected>;
        /**
         * Checks that two values are _not_ strictly equal (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using)).
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * check.notStrictEquals('a', 'a'); // false
         *
         * check.notStrictEquals('1', 1); // true
         *
         * check.notStrictEquals({a: 'a'}, {a: 'a'}); // true
         *
         * const objectExample = {a: 'a'};
         * check.notStrictEquals(objectExample, objectExample); // false
         * ```
         *
         * @see
         * - {@link check.strictEquals} : the opposite check.
         * - {@link check.notLooseEquals} : the loose equality check.
         */
        notStrictEquals(this: void, actual: unknown, expected: unknown): boolean;
        /**
         * Checks that two values are loosely equal (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using)).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * check.looseEquals('a', 'a'); // true
         *
         * check.looseEquals('1', 1); // true
         *
         * check.looseEquals({a: 'a'}, {a: 'a'}); // false
         *
         * const objectExample = {a: 'a'};
         * check.looseEquals(objectExample, objectExample); // true
         * ```
         *
         * @see
         * - {@link check.notLooseEquals} : the opposite check.
         * - {@link check.strictEquals} : the strict equality check.
         */
        looseEquals(this: void, actual: unknown, expected: unknown): boolean;
        /**
         * Checks that two values are _not_ loosely equal (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using)).
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * check.notLooseEquals('a', 'a'); // false
         *
         * check.notLooseEquals('1', 1); // false
         *
         * check.notLooseEquals({a: 'a'}, {a: 'a'}); // true
         *
         * const objectExample = {a: 'a'};
         * check.notLooseEquals(objectExample, objectExample); // false
         * ```
         *
         * @see
         * - {@link check.looseEquals} : the opposite check.
         * - {@link check.strictEquals} : the strict equality check.
         */
        notLooseEquals(this: void, actual: unknown, expected: unknown): boolean;
        /**
         * Checks that two values are deeply equal using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * check.deepEquals('a', 'a'); // true
         *
         * check.deepEquals('1', 1); // false
         *
         * check.deepEquals({a: 'a'}, {a: 'a'}); // true
         *
         * const objectExample = {a: 'a'};
         * check.deepEquals(objectExample, objectExample); // true
         * ```
         *
         * @see
         * - {@link check.notDeepEquals} : the opposite check.
         * - {@link check.entriesEqual} : a less expensive (but less thorough) deep equality check.
         * - {@link check.jsonEquals} : a less expensive (but less thorough) deep equality check.
         */
        deepEquals<Actual, Expected extends Actual>(this: void, actual: Actual, expected: Expected): actual is NarrowToExpected<Actual, Expected>;
        /**
         * Checks that two values are _not_ deeply equal using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * check.deepEquals('a', 'a'); // false
         *
         * check.deepEquals('1', 1); // true
         *
         * check.deepEquals({a: 'a'}, {a: 'a'}); // false
         *
         * const objectExample = {a: 'a'};
         * check.deepEquals(objectExample, objectExample); // false
         * ```
         *
         * @see
         * - {@link check.notDeepEquals} : the opposite check.
         * - {@link check.entriesEqual} : a less expensive (but less thorough) deep equality check.
         * - {@link check.jsonEquals} : a less expensive (but less thorough) deep equality check.
         */
        notDeepEquals(this: void, actual: unknown, expected: unknown): boolean;
    };
    assertWrap: {
        /**
         * Asserts that two values are strictly equal (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using)).
         * Returns the first value if the assertion passes.
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * assertWrap.strictEquals('a', 'a'); // returns `'a'`
         *
         * assertWrap.strictEquals('1', 1); // throws an error
         *
         * assertWrap.strictEquals({a: 'a'}, {a: 'a'}); // throws an error
         *
         * const objectExample = {a: 'a'};
         * assertWrap.strictEquals(objectExample, objectExample); // returns `{a: 'a'}`
         * ```
         *
         * @throws {@link AssertionError} If both inputs are not strictly equal.
         * @see
         * - {@link assertWrap.notStrictEquals} : the opposite assertion.
         * - {@link assertWrap.looseEquals} : the loose equality assertion.
         */
        strictEquals<Actual, Expected extends Actual>(this: void, actual: Actual, expected: Expected, failureMessage?: string | undefined): NarrowToExpected<Actual, Expected>;
        /**
         * Asserts that two values are _not_ strictly equal (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using)).
         * Returns the first value if the assertion passes.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * assertWrap.notStrictEquals('a', 'a'); // throws an error
         *
         * assertWrap.notStrictEquals('1', 1); // returns `'1'`
         *
         * assertWrap.notStrictEquals({a: 'a'}, {a: 'a'}); // returns `{a: 'a'}`
         *
         * const objectExample = {a: 'a'};
         * assertWrap.notStrictEquals(objectExample, objectExample); // throws an error
         * ```
         *
         * @throws {@link AssertionError} If both inputs are strictly equal.
         * @see
         * - {@link assertWrap.strictEquals} : the opposite assertion.
         * - {@link assertWrap.notLooseEquals} : the loose equality assertion.
         */
        notStrictEquals<Actual>(this: void, actual: Actual, expected: unknown, failureMessage?: string | undefined): Actual;
        /**
         * Asserts that two values are loosely equal (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using)).
         * Returns the first value if the assertion passes.
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * assertWrap.looseEquals('a', 'a'); // returns `'a'`
         *
         * assertWrap.looseEquals('1', 1); // returns `'1'`
         *
         * assertWrap.looseEquals({a: 'a'}, {a: 'a'}); // throws an error
         *
         * const objectExample = {a: 'a'};
         * assertWrap.looseEquals(objectExample, objectExample); // returns `{a: 'a'}`
         * ```
         *
         * @throws {@link AssertionError} If both inputs are not loosely equal.
         * @see
         * - {@link assertWrap.notLooseEquals} : the opposite assertion.
         * - {@link assertWrap.strictEquals} : the strict equality assertion.
         */
        looseEquals<Actual>(this: void, actual: Actual, expected: unknown, failureMessage?: string | undefined): Actual;
        /**
         * Asserts that two values are _not_ loosely equal (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using)).
         * Returns the first value if the assertion passes.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * assertWrap.notLooseEquals('a', 'a'); // throws an error
         *
         * assertWrap.notLooseEquals('1', 1); // throws an error
         *
         * assertWrap.notLooseEquals({a: 'a'}, {a: 'a'}); // returns `{a: 'a'}`
         *
         * const objectExample = {a: 'a'};
         * assertWrap.notLooseEquals(objectExample, objectExample); // throws an error
         * ```
         *
         * @throws {@link AssertionError} If both inputs are loosely equal.
         * @see
         * - {@link assertWrap.looseEquals} : the opposite assertion.
         * - {@link assertWrap.strictEquals} : the strict equality assertion.
         */
        notLooseEquals<Actual>(this: void, actual: Actual, expected: unknown, failureMessage?: string | undefined): Actual;
        /**
         * Asserts that two values are deeply equal using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package. Returns the first value if
         * the assertion passes.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * assertWrap.deepEquals('a', 'a'); // returns `'a'`
         *
         * assertWrap.deepEquals('1', 1); // throws an error
         *
         * assertWrap.deepEquals({a: 'a'}, {a: 'a'}); // returns `{a: 'a'}`
         *
         * const objectExample = {a: 'a'};
         * assertWrap.deepEquals(objectExample, objectExample); // returns `{a: 'a'}`
         * ```
         *
         * @throws {@link AssertionError} If both inputs are not deeply equal.
         * @see
         * - {@link assertWrap.notDeepEquals} : the opposite assertion.
         * - {@link assertWrap.entriesEqual} : a less expensive (but less thorough) deep equality assertion.
         * - {@link assertWrap.jsonEquals} : a less expensive (but less thorough) deep equality assertion.
         */
        deepEquals<Actual, Expected extends Actual>(this: void, actual: Actual, expected: Expected, failureMessage?: string | undefined): NarrowToExpected<Actual, Expected>;
        /**
         * Asserts that two values are _not_ deeply equal using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package. Returns the first value if
         * the assertion passes.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * assertWrap.deepEquals('a', 'a'); // returns `'a'`
         *
         * assertWrap.deepEquals('1', 1); // throws an error
         *
         * assertWrap.deepEquals({a: 'a'}, {a: 'a'}); // returns `{a: 'a'}`
         *
         * const objectExample = {a: 'a'};
         * assertWrap.deepEquals(objectExample, objectExample); // returns `{a: 'a'}`
         * ```
         *
         * @throws {@link AssertionError} If both inputs are deeply equal.
         * @see
         * - {@link assertWrap.notDeepEquals} : the opposite assertion.
         * - {@link assertWrap.entriesEqual} : a less expensive (but less thorough) deep equality assertion.
         * - {@link assertWrap.jsonEquals} : a less expensive (but less thorough) deep equality assertion.
         */
        notDeepEquals<Actual>(this: void, actual: Actual, expected: unknown, failureMessage?: string | undefined): Actual;
    };
    checkWrap: {
        /**
         * Checks that two values are strictly equal (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using)).
         * Returns the first value if the check passes, otherwise `undefined`.
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * checkWrap.strictEquals('a', 'a'); // returns `'a'`
         *
         * checkWrap.strictEquals('1', 1); // returns `undefined`
         *
         * checkWrap.strictEquals({a: 'a'}, {a: 'a'}); // returns `undefined`
         *
         * const objectExample = {a: 'a'};
         * checkWrap.strictEquals(objectExample, objectExample); // returns `{a: 'a'}`
         * ```
         *
         * @returns The first value if the check passes, otherwise `undefined`.
         * @see
         * - {@link checkWrap.notStrictEquals} : the opposite check.
         * - {@link checkWrap.looseEquals} : the loose equality check.
         */
        strictEquals<Actual, Expected extends Actual>(this: void, actual: Actual, expected: Expected): NarrowToExpected<Actual, Expected> | undefined;
        /**
         * Checks that two values are _not_ strictly equal (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using)).
         * Returns the first value if the check passes, otherwise `undefined`.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * checkWrap.notStrictEquals('a', 'a'); // returns `undefined`
         *
         * checkWrap.notStrictEquals('1', 1); // returns `'1'`
         *
         * checkWrap.notStrictEquals({a: 'a'}, {a: 'a'}); // returns `{a: 'a'}`
         *
         * const objectExample = {a: 'a'};
         * checkWrap.notStrictEquals(objectExample, objectExample); // returns `undefined`
         * ```
         *
         * @returns The first value if the check passes, otherwise `undefined`.
         * @see
         * - {@link checkWrap.strictEquals} : the opposite check.
         * - {@link checkWrap.notLooseEquals} : the loose equality check.
         */
        notStrictEquals<Actual>(this: void, actual: Actual, expected: unknown): Actual | undefined;
        /**
         * Checks that two values are loosely equal (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using)).
         * Returns the first value if the check passes, otherwise `undefined`.
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * checkWrap.looseEquals('a', 'a'); // returns `'a'`
         *
         * checkWrap.looseEquals('1', 1); // returns `'1'`
         *
         * checkWrap.looseEquals({a: 'a'}, {a: 'a'}); // returns `undefined`
         *
         * const objectExample = {a: 'a'};
         * checkWrap.looseEquals(objectExample, objectExample); // returns `{a: 'a'}`
         * ```
         *
         * @returns The first value if the check passes, otherwise `undefined`.
         * @see
         * - {@link checkWrap.notLooseEquals} : the opposite check.
         * - {@link checkWrap.strictEquals} : the strict equality check.
         */
        looseEquals<Actual>(this: void, actual: Actual, expected: unknown): Actual | undefined;
        /**
         * Checks that two values are _not_ loosely equal (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using)).
         * Returns the first value if the check passes, otherwise `undefined`.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * checkWrap.notLooseEquals('a', 'a'); // returns `undefined`
         *
         * checkWrap.notLooseEquals('1', 1); // returns `undefined`
         *
         * checkWrap.notLooseEquals({a: 'a'}, {a: 'a'}); // returns `{a: 'a'}`
         *
         * const objectExample = {a: 'a'};
         * checkWrap.notLooseEquals(objectExample, objectExample); // returns `undefined`
         * ```
         *
         * @returns The first value if the check passes, otherwise `undefined`.
         * @see
         * - {@link checkWrap.looseEquals} : the opposite check.
         * - {@link checkWrap.strictEquals} : the strict equality check.
         */
        notLooseEquals<Actual>(this: void, actual: Actual, expected: unknown): Actual | undefined;
        /**
         * Checks that two values are deeply equal using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package. Returns the first value if
         * the check passes.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * checkWrap.deepEquals('a', 'a'); // true
         *
         * checkWrap.deepEquals('1', 1); // false
         *
         * checkWrap.deepEquals({a: 'a'}, {a: 'a'}); // true
         *
         * const objectExample = {a: 'a'};
         * checkWrap.deepEquals(objectExample, objectExample); // true
         * ```
         *
         * @returns The first value if the check passes, otherwise `undefined`.
         * @see
         * - {@link checkWrap.notDeepEquals} : the opposite check.
         * - {@link checkWrap.entriesEqual} : a less expensive (but less thorough) deep equality check.
         * - {@link checkWrap.jsonEquals} : a less expensive (but less thorough) deep equality check.
         */
        deepEquals<Actual, Expected extends Actual>(this: void, actual: Actual, expected: Expected): NarrowToExpected<Actual, Expected> | undefined;
        /**
         * Checks that two values are _not_ deeply equal using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package. Returns the first value if
         * the check passes.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * checkWrap.deepEquals('a', 'a'); // false
         *
         * checkWrap.deepEquals('1', 1); // true
         *
         * checkWrap.deepEquals({a: 'a'}, {a: 'a'}); // false
         *
         * const objectExample = {a: 'a'};
         * checkWrap.deepEquals(objectExample, objectExample); // false
         * ```
         *
         * @returns The first value if the check passes, otherwise `undefined`.
         * @see
         * - {@link checkWrap.notDeepEquals} : the opposite check.
         * - {@link checkWrap.entriesEqual} : a less expensive (but less thorough) deep equality check.
         * - {@link checkWrap.jsonEquals} : a less expensive (but less thorough) deep equality check.
         */
        notDeepEquals<Actual>(this: void, actual: Actual, expected: unknown): Actual | undefined;
    };
    waitUntil: {
        /**
         * Repeatedly calls a callback until its output strictly equals (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using))
         * the first input. Once the callback output passes, it is returned. If the attempts time
         * out, an error is thrown.
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * await waitUntil.strictEquals('a', () => 'a'); // returns `'a'`
         *
         * await waitUntil.strictEquals(1, () => '1'); // throws an error
         *
         * await waitUntil.strictEquals({a: 'a'}, () => {
         *     return {a: 'a'};
         * }); // throws an error
         *
         * const objectExample = {a: 'a'};
         * await waitUntil.strictEquals(objectExample, () => objectExample); // returns `{a: 'a'}`
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.notStrictEquals} : the opposite assertion.
         * - {@link waitUntil.looseEquals} : the loose equality assertion.
         */
        strictEquals: <Actual, Expected extends Actual>(this: void, expected: Expected, callback: () => MaybePromise<Actual>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<NarrowToExpected<Actual, Expected>>;
        /**
         * Repeatedly calls a callback until its output does _not_ strictly equal (using
         * [`===`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#strict_equality_using))
         * the first input. Once the callback output passes, it is returned. If the attempts time
         * out, an error is thrown.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * await waitUntil.notStrictEquals('a', () => 'a'); // throws an error
         *
         * await waitUntil.notStrictEquals(1, () => '1'); // returns `'1'`
         *
         * await waitUntil.notStrictEquals({a: 'a'}, () => {
         *     return {a: 'a'};
         * }); // returns `{a: 'a'}`
         *
         * const objectExample = {a: 'a'};
         * await waitUntil.notStrictEquals(objectExample, () => objectExample); // throws an error
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.strictEquals} : the opposite assertion.
         * - {@link waitUntil.notLooseEquals} : the loose equality assertion.
         */
        notStrictEquals: <Actual>(this: void, expected: unknown, callback: () => MaybePromise<Actual>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Actual>;
        /**
         * Repeatedly calls a callback until its output loosely equals (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using))
         * the first input. Once the callback output passes, it is returned. If the attempts time
         * out, an error is thrown.
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * await waitUntil.looseEquals('a', () => 'a'); // returns `'a'`
         *
         * await waitUntil.looseEquals(1, () => '1'); // returns `'1'`
         *
         * await waitUntil.looseEquals({a: 'a'}, () => {
         *     return {a: 'a'};
         * }); // throws an error
         *
         * const objectExample = {a: 'a'};
         * await waitUntil.looseEquals(objectExample, () => objectExample); // returns `{a: 'a'}`
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.notLooseEquals} : the opposite assertion.
         * - {@link waitUntil.strictEquals} : the strict equality assertion.
         */
        looseEquals: <Actual>(this: void, expected: unknown, callback: () => MaybePromise<Actual>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Actual>;
        /**
         * Repeatedly calls a callback until its output does _not_ loosely equal (using
         * [`==`](https://developer.mozilla.org/docs/Web/JavaScript/Equality_comparisons_and_sameness#loose_equality_using))
         * the first input. Once the callback output passes, it is returned. If the attempts time
         * out, an error is thrown.
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * await waitUntil.notLooseEquals('a', () => 'a'); // throws an error
         *
         * await waitUntil.notLooseEquals(1, () => '1'); // throws an error
         *
         * await waitUntil.notLooseEquals({a: 'a'}, () => {
         *     return {a: 'a'};
         * }); // returns `{a: 'a'}`
         *
         * const objectExample = {a: 'a'};
         * await waitUntil.notLooseEquals(objectExample, () => objectExample); // throws an error
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.looseEquals} : the opposite assertion.
         * - {@link waitUntil.notStrictEquals} : the strict equality assertion.
         */
        notLooseEquals: <Actual>(this: void, expected: unknown, callback: () => MaybePromise<Actual>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Actual>;
        /**
         * Repeatedly calls a callback until its output deeply equals (using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package) the first input. Once the
         * callback output passes, it is returned. If the attempts time out, an error is thrown.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * await waitUntil.deepEquals('a', () => 'a'); // returns `'a'`
         *
         * await waitUntil.deepEquals(1, () => '1'); // throws an error
         *
         * await waitUntil.deepEquals({a: 'a'}, () => {
         *     return {a: 'a'};
         * }); // returns `{a: 'a'}`
         *
         * const objectExample = {a: 'a'};
         * await waitUntil.deepEquals(objectExample, () => objectExample); // returns `{a: 'a'}`
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.notDeepEquals} : the opposite assertion.
         * - {@link waitUntil.entriesEqual} : a less expensive (but less thorough) deep equality assertion.
         * - {@link waitUntil.jsonEquals} : a less expensive (but less thorough) deep equality assertion.
         */
        deepEquals: <Actual, Expected extends Actual>(this: void, expected: Expected, callback: () => MaybePromise<Actual>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<NarrowToExpected<Actual, Expected>>;
        /**
         * Repeatedly calls a callback until its output does _not_ deeply equal (using the
         * [deep-eql](https://www.npmjs.com/package/deep-eql) package) the first input. Once the
         * callback output passes, it is returned. If the attempts time out, an error is thrown.
         *
         * Note that this check may be _expensive_, depending on what values it is passed. Whenever
         * possible, use simpler equality checks instead (see the **see** section below).
         *
         * Type guards the first value.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * await waitUntil.notDeepEquals('a', () => 'a'); // throws an error
         *
         * await waitUntil.notDeepEquals(1, () => '1'); // returns `'1'`
         *
         * await waitUntil.notDeepEquals({a: 'a'}, () => {
         *     return {a: 'a'};
         * }); // throws an error
         *
         * const objectExample = {a: 'a'};
         * await waitUntil.notDeepEquals(objectExample, () => objectExample); // throws an error
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.deepEquals} : the opposite assertion.
         * - {@link waitUntil.entriesEqual} : a less expensive (but less thorough) deep equality assertion.
         * - {@link waitUntil.jsonEquals} : a less expensive (but less thorough) deep equality assertion.
         */
        notDeepEquals: <Actual>(this: void, expected: unknown, callback: () => MaybePromise<Actual>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Actual>;
    };
};