import { type AnyObject, type MaybePromise, type NarrowToActual, type NarrowToExpected, type Values } from '@augment-vir/core';
import { type EmptyObject } from 'type-fest';
import { type WaitUntilOptions } from '../guard-types/wait-until-function.js';
export declare function isIn<Parent extends object | string>(this: void, child: unknown, parent: Parent): child is Values<Parent>;
/**
 * All types that can be checked for emptiness. The empty variants of these types are represented in
 * {@link Empty}.
 *
 * @category Assert : Util
 * @category Package : @augment-vir/assert
 * @package [`@augment-vir/assert`](https://www.npmjs.com/package/@augment-vir/assert)
 */
export type CanBeEmpty = string | Map<any, any> | Set<any> | AnyObject | any[];
/**
 * Empty versions of {@link CanBeEmpty}. Note that there is no way to distinguish an empty `Set` or
 * `Map` from their non-empty counterparts in TypeScript (so you will get no emptiness type safety
 * for them.)
 *
 * @category Assert : Util
 * @category Package : @augment-vir/assert
 * @package [`@augment-vir/assert`](https://www.npmjs.com/package/@augment-vir/assert)
 */
export type Empty = '' | EmptyObject | [] | Map<any, any> | Set<any>;
export declare const valueGuards: {
    assert: {
        /**
         * Asserts that an object/array parent includes a child value through reference equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * assert.hasValue({child}, child); // passes
         * assert.hasValue({child: {a: 'a'}}, child); // fails
         * assert.hasValue([child], child); // passes
         * ```
         *
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assert.lacksValue} : the opposite assertion.
         * - {@link assert.hasValues} : the multi-value assertion.
         */
        hasValue(this: void, parent: object | string, value: unknown, failureMessage?: string | undefined): void;
        /**
         * Asserts that an object/array parent does _not_ include a child value through reference
         * equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * assert.lacksValue({child}, child); // fails
         * assert.lacksValue({child: {a: 'a'}}, child); // passes
         * assert.lacksValue([child], child); // fails
         * ```
         *
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assert.hasValue} : the opposite assertion.
         * - {@link assert.lacksValues} : the multi-value assertion.
         */
        lacksValue(this: void, parent: object | string, value: unknown, failureMessage?: string | undefined): void;
        /**
         * Asserts that an object/array parent includes all child values through reference equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * assert.hasValues({child, child2}, [
         *     child,
         *     child2,
         * ]); // passes
         * assert.hasValues({child: {a: 'a'}, child2}, [
         *     child,
         *     child2,
         * ]); // fails
         * assert.hasValues(
         *     [child],
         *     [
         *         child,
         *         child2,
         *     ],
         * ); // passes
         * ```
         *
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assert.lacksValues} : the opposite assertion.
         * - {@link assert.hasValue} : the single-value assertion.
         */
        hasValues(this: void, parent: object | string, values: unknown[], failureMessage?: string | undefined): void;
        /**
         * Asserts that an object/array parent includes none of the provided child values through
         * reference equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * assert.lacksValues({}, [
         *     child,
         *     child2,
         * ]); // passes
         * assert.lacksValues({child, child2}, [
         *     child,
         *     child2,
         * ]); // fails
         * assert.lacksValues({child: {a: 'a'}, child2}, [
         *     child,
         *     child2,
         * ]); // fails
         * ```
         *
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assert.lacksValues} : the opposite assertion.
         * - {@link assert.hasValue} : the single-value assertion.
         */
        lacksValues(this: void, parent: object | string, values: unknown[], failureMessage?: string | undefined): void;
        /**
         * Asserts that child value is contained within a parent object, array, or string through
         * reference equality.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * assert.isIn(child, {child}); // passes
         * assert.isIn('a', 'ab'); // passes
         * assert.isIn(child, [child]); // passes
         *
         * assert.isIn(child, {child: {a: 'a'}}); // fails
         * assert.isIn('a', 'bc'); // fails
         * ```
         *
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assert.isNotIn} : the opposite assertion.
         */
        isIn<Parent extends object | string>(this: void, child: unknown, parent: Parent, failureMessage?: string | undefined): asserts child is Values<Parent>;
        /**
         * Asserts that child value is _not_ contained within a parent object, array, or string through
         * reference equality.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * assert.isNotIn(child, {child}); // fails
         * assert.isNotIn('a', 'ab'); // fails
         * assert.isNotIn(child, [child]); // fails
         *
         * assert.isNotIn(child, {child: {a: 'a'}}); // passes
         * assert.isNotIn('a', 'bc'); // passes
         * ```
         *
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assert.isIn} : the opposite assertion.
         */
        isNotIn<Parent extends object | string, Child>(this: void, child: Child, parent: Parent, failureMessage?: string | undefined): asserts child is Exclude<Child, Values<Parent>>;
        /**
         * Asserts that a value is empty. Supports strings, Maps, Sets, objects, and arrays.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * assert.isEmpty({}); // passes
         * assert.isEmpty(''); // passes
         * assert.isEmpty([]); // passes
         *
         * assert.isEmpty('a'); // fails
         * assert.isEmpty({a: 'a'}); // fails
         * ```
         *
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assert.isNotEmpty} : the opposite assertion.
         */
        isEmpty<Actual extends CanBeEmpty>(this: void, actual: Actual, failureMessage?: string | undefined): asserts actual is NarrowToActual<Actual, Empty>;
        /**
         * Asserts that a value is _not_ empty. Supports strings, Maps, Sets, objects, and arrays.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {assert} from '@augment-vir/assert';
         *
         * assert.isNotEmpty({}); // fails
         * assert.isNotEmpty(''); // fails
         * assert.isNotEmpty([]); // fails
         *
         * assert.isNotEmpty('a'); // passes
         * assert.isNotEmpty({a: 'a'}); // passes
         * ```
         *
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assert.isEmpty} : the opposite assertion.
         */
        isNotEmpty<Actual extends CanBeEmpty>(this: void, actual: Actual, failureMessage?: string | undefined): asserts actual is Exclude<Actual, Empty>;
    };
    check: {
        /**
         * Checks that an object/array parent includes a child value through reference equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * check.hasValue({child}, child); // returns `true`
         * check.hasValue({child: {a: 'a'}}, child); // returns `false`
         * check.hasValue([child], child); // returns `true`
         * ```
         *
         * @see
         * - {@link check.lacksValue} : the opposite check.
         * - {@link check.hasValues} : the multi-value check.
         */
        hasValue(this: void, parent: object | string, value: unknown): boolean;
        /**
         * Checks that an object/array parent does _not_ include a child value through reference
         * equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * check.lacksValue({child}, child); // returns `false`
         * check.lacksValue({child: {a: 'a'}}, child); // returns `true`
         * check.lacksValue([child], child); // returns `false`
         * ```
         *
         * @see
         * - {@link check.hasValue} : the opposite check.
         * - {@link check.lacksValues} : the multi-value check.
         */
        lacksValue(this: void, parent: object | string, value: unknown): boolean;
        /**
         * Checks that an object/array parent includes all child values through reference equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * check.hasValues({child, child2}, [
         *     child,
         *     child2,
         * ]); // returns `true`
         * check.hasValues({child: {a: 'a'}, child2}, [
         *     child,
         *     child2,
         * ]); // returns `false`
         * check.hasValues(
         *     [child],
         *     [
         *         child,
         *         child2,
         *     ],
         * ); // returns `true`
         * ```
         *
         * @see
         * - {@link check.lacksValues} : the opposite check.
         * - {@link check.hasValue} : the single-value check.
         */
        hasValues(this: void, parent: object | string, values: unknown[]): boolean;
        /**
         * Checks that an object/array parent includes none of the provided child values through
         * reference equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * check.lacksValues({}, [
         *     child,
         *     child2,
         * ]); // returns `true`
         * check.lacksValues({child, child2}, [
         *     child,
         *     child2,
         * ]); // returns `false`
         * check.lacksValues({child: {a: 'a'}, child2}, [
         *     child,
         *     child2,
         * ]); // returns `false`
         * ```
         *
         * @see
         * - {@link check.lacksValues} : the opposite check.
         * - {@link check.hasValue} : the single-value check.
         */
        lacksValues(this: void, parent: object | string, values: unknown[]): boolean;
        /**
         * Checks that child value is contained within a parent object, array, or string through
         * reference equality.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * check.isIn(child, {child}); // returns `true`
         * check.isIn('a', 'ab'); // returns `true`
         * check.isIn(child, [child]); // returns `true`
         *
         * check.isIn(child, {child: {a: 'a'}}); // returns `false`
         * check.isIn('a', 'bc'); // returns `false`
         * ```
         *
         * @see
         * - {@link check.isNotIn} : the opposite check.
         */
        isIn<Parent extends object | string>(this: void, child: unknown, parent: Parent): child is Values<Parent>;
        /**
         * Checks that child value is _not_ contained within a parent object, array, or string
         * through reference equality.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * check.isNotIn(child, {child}); // returns `false`
         * check.isNotIn('a', 'ab'); // returns `false`
         * check.isNotIn(child, [child]); // returns `false`
         *
         * check.isNotIn(child, {child: {a: 'a'}}); // returns `true`
         * check.isNotIn('a', 'bc'); // returns `true`
         * ```
         *
         * @see
         * - {@link check.isIn} : the opposite check.
         */
        isNotIn<Parent extends object | string, Child>(this: void, child: Child, parent: Parent): child is Exclude<Child, Values<Parent>>;
        /**
         * Checks that a value is empty. Supports strings, Maps, Sets, objects, and arrays.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * check.isEmpty({}); // returns `true`
         * check.isEmpty(''); // returns `true`
         * check.isEmpty([]); // returns `true`
         *
         * check.isEmpty('a'); // returns `false`
         * check.isEmpty({a: 'a'}); // returns `false`
         * ```
         *
         * @see
         * - {@link check.isNotEmpty} : the opposite check.
         */
        isEmpty<Actual extends CanBeEmpty>(this: void, actual: Actual): actual is NarrowToActual<Actual, Empty>;
        /**
         * Checks that a value is _not_ empty. Supports strings, Maps, Sets, objects, and arrays.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {check} from '@augment-vir/assert';
         *
         * check.isNotEmpty({}); // returns `false`
         * check.isNotEmpty(''); // returns `false`
         * check.isNotEmpty([]); // returns `false`
         *
         * check.isNotEmpty('a'); // returns `true`
         * check.isNotEmpty({a: 'a'}); // returns `true`
         * ```
         *
         * @see
         * - {@link check.isEmpty} : the opposite check.
         */
        isNotEmpty<Actual extends CanBeEmpty>(this: void, actual: Actual): actual is Exclude<Actual, Empty>;
    };
    assertWrap: {
        /**
         * Asserts that an object/array parent includes a child value through reference equality.
         * Returns the parent value if the assertion passes.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * assertWrap.hasValue({child}, child); // returns `{child}`;
         * assertWrap.hasValue({child: {a: 'a'}}, child); // throws an error
         * assertWrap.hasValue([child], child); // returns `[child]`;
         * ```
         *
         * @returns The value if the assertion passes.
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assertWrap.lacksValue} : the opposite assertion.
         * - {@link assertWrap.hasValues} : the multi-value assertion.
         */
        hasValue<Parent extends object | string>(this: void, parent: Parent, value: unknown, failureMessage?: string | undefined): Parent;
        /**
         * Asserts that an object/array parent does _not_ include a child value through reference
         * equality. Returns the parent value if the assertion passes.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * assertWrap.lacksValue({child}, child); // throws an error
         * assertWrap.lacksValue({child: {a: 'a'}}, child); // returns `{child: {a: 'a'}}`;
         * assertWrap.lacksValue([child], child); // throws an error
         * ```
         *
         * @returns The value if the assertion passes.
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assertWrap.hasValue} : the opposite assertion.
         * - {@link assertWrap.lacksValues} : the multi-value assertion.
         */
        lacksValue<Parent extends object | string>(this: void, parent: Parent, value: unknown, failureMessage?: string | undefined): Parent;
        /**
         * Asserts that an object/array parent includes all child values through reference equality.
         * Returns the parent value if the assertion passes.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * assertWrap.hasValues({child, child2}, [
         *     child,
         *     child2,
         * ]); // returns `{child, child2}`;
         * assertWrap.hasValues({child: {a: 'a'}, child2}, [
         *     child,
         *     child2,
         * ]); // throws an error
         * assertWrap.hasValues(
         *     [child],
         *     [
         *         child,
         *         child2,
         *     ],
         * ); // returns `[child]`;
         * ```
         *
         * @returns The value if the assertion passes.
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assertWrap.lacksValues} : the opposite assertion.
         * - {@link assertWrap.hasValue} : the single-value assertion.
         */
        hasValues<Parent extends object | string>(this: void, parent: Parent, values: unknown[], failureMessage?: string | undefined): Parent;
        /**
         * Asserts that an object/array parent includes none of the provided child values through
         * reference equality. Returns the parent value if the assertion passes.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * assertWrap.lacksValues({}, [
         *     child,
         *     child2,
         * ]); // returns `{}`;
         * assertWrap.lacksValues({child, child2}, [
         *     child,
         *     child2,
         * ]); // throws an error
         * assertWrap.lacksValues({child: {a: 'a'}, child2}, [
         *     child,
         *     child2,
         * ]); // throws an error
         * ```
         *
         * @returns The value if the assertion passes.
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assertWrap.lacksValues} : the opposite assertion.
         * - {@link assertWrap.hasValue} : the single-value assertion.
         */
        lacksValues<Parent extends object | string>(this: void, parent: Parent, values: unknown[], failureMessage?: string | undefined): Parent;
        /**
         * Asserts that child value is contained within a parent object, array, or string through
         * reference equality. Returns the child value if the assertion passes.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * assertWrap.isIn(child, {child}); // returns `child`;
         * assertWrap.isIn('a', 'ab'); // returns `'a'`;
         * assertWrap.isIn(child, [child]); // returns `child`;
         *
         * assertWrap.isIn(child, {child: {a: 'a'}}); // throws an error
         * assertWrap.isIn('a', 'bc'); // throws an error
         * ```
         *
         * @returns The value if the assertion passes.
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assertWrap.isNotIn} : the opposite assertion.
         */
        isIn<Parent extends object | string, Child>(this: void, child: Child, parent: Parent, failureMessage?: string | undefined): Extract<Child, Values<Parent>>;
        /**
         * Asserts that child value is _not_ contained within a parent object, array, or string
         * through reference equality. Returns the child value if the assertion passes.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * assertWrap.isNotIn(child, {child}); // throws an error
         * assertWrap.isNotIn('a', 'ab'); // throws an error
         * assertWrap.isNotIn(child, [child]); // throws an error
         *
         * assertWrap.isNotIn(child, {child: {a: 'a'}}); // returns `child`;
         * assertWrap.isNotIn('a', 'bc'); // returns `'a'`;
         * ```
         *
         * @returns The value if the assertion passes.
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assertWrap.isIn} : the opposite assertion.
         */
        isNotIn<Parent extends object | string, Child>(this: void, child: Child, parent: Parent, failureMessage?: string | undefined): Exclude<Child, Values<Parent>>;
        /**
         * Asserts that a value is empty. Supports strings, Maps, Sets, objects, and arrays. Returns
         * the value if the assertion passes.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * assertWrap.isEmpty({}); // returns `{}`;
         * assertWrap.isEmpty(''); // returns `''`;
         * assertWrap.isEmpty([]); // returns `[]`;
         *
         * assertWrap.isEmpty('a'); // throws an error
         * assertWrap.isEmpty({a: 'a'}); // throws an error
         * ```
         *
         * @returns The value if the assertion passes.
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assertWrap.isNotEmpty} : the opposite assertion.
         */
        isEmpty<Actual extends CanBeEmpty>(this: void, actual: Actual, failureMessage?: string | undefined): NarrowToActual<Actual, Empty>;
        /**
         * Asserts that a value is _not_ empty. Supports strings, Maps, Sets, objects, and arrays.
         * Returns the value if the assertion passes.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {assertWrap} from '@augment-vir/assert';
         *
         * assertWrap.isNotEmpty({}); // throws an error
         * assertWrap.isNotEmpty(''); // throws an error
         * assertWrap.isNotEmpty([]); // throws an error
         *
         * assertWrap.isNotEmpty('a'); // returns `'a'`;
         * assertWrap.isNotEmpty({a: 'a'}); // returns `{a: 'a'}`;
         * ```
         *
         * @returns The value if the assertion passes.
         * @throws {@link AssertionError} If the assertion fails.
         * @see
         * - {@link assertWrap.isEmpty} : the opposite assertion.
         */
        isNotEmpty<Actual extends CanBeEmpty>(this: void, actual: Actual, failureMessage?: string | undefined): Exclude<Actual, Empty>;
    };
    checkWrap: {
        /**
         * Checks that an object/array parent includes a child value through reference equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * checkWrap.hasValue({child}, child); // returns `{child}`
         * checkWrap.hasValue({child: {a: 'a'}}, child); // returns `undefined`
         * checkWrap.hasValue([child], child); // returns `[child]`
         * ```
         *
         * @see
         * - {@link checkWrap.lacksValue} : the opposite check.
         * - {@link checkWrap.hasValues} : the multi-value check.
         */
        hasValue<Parent extends object | string>(this: void, parent: Parent, value: unknown): Parent | undefined;
        /**
         * Checks that an object/array parent does _not_ include a child value through reference
         * equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * checkWrap.lacksValue({child}, child); // returns `undefined`
         * checkWrap.lacksValue({child: {a: 'a'}}, child); // returns `{child: {a: 'a'}}`
         * checkWrap.lacksValue([child], child); // returns `undefined`
         * ```
         *
         * @see
         * - {@link checkWrap.hasValue} : the opposite check.
         * - {@link checkWrap.lacksValues} : the multi-value check.
         */
        lacksValue<Parent extends object | string>(this: void, parent: Parent, value: unknown): Parent | undefined;
        /**
         * Checks that an object/array parent includes all child values through reference equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * checkWrap.hasValues({child, child2}, [
         *     child,
         *     child2,
         * ]); // returns `{child, child2}`
         * checkWrap.hasValues({child: {a: 'a'}, child2}, [
         *     child,
         *     child2,
         * ]); // returns `undefined`
         * checkWrap.hasValues(
         *     [child],
         *     [
         *         child,
         *         child2,
         *     ],
         * ); // returns `[child]`
         * ```
         *
         * @see
         * - {@link checkWrap.lacksValues} : the opposite check.
         * - {@link checkWrap.hasValue} : the single-value check.
         */
        hasValues<Parent extends object | string>(this: void, parent: Parent, values: unknown[]): Parent | undefined;
        /**
         * Checks that an object/array parent includes none of the provided child values through
         * reference equality.
         *
         * Performs no type guarding.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * checkWrap.lacksValues({}, [
         *     child,
         *     child2,
         * ]); // returns `{}`
         * checkWrap.lacksValues({child, child2}, [
         *     child,
         *     child2,
         * ]); // returns `undefined`
         * checkWrap.lacksValues({child: {a: 'a'}, child2}, [
         *     child,
         *     child2,
         * ]); // returns `undefined`
         * ```
         *
         * @see
         * - {@link checkWrap.lacksValues} : the opposite check.
         * - {@link checkWrap.hasValue} : the single-value check.
         */
        lacksValues<Parent extends object | string>(this: void, parent: Parent, values: unknown[]): Parent | undefined;
        /**
         * Checks that child value is contained within a parent object, array, or string through
         * reference equality.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * checkWrap.isIn(child, {child}); // returns `child`
         * checkWrap.isIn('a', 'ab'); // returns `'a'`
         * checkWrap.isIn(child, [child]); // returns `child`
         *
         * checkWrap.isIn(child, {child: {a: 'a'}}); // returns `undefined`
         * checkWrap.isIn('a', 'bc'); // returns `undefined`
         * ```
         *
         * @see
         * - {@link checkWrap.isNotIn} : the opposite check.
         */
        isIn<Parent extends object | string, Child>(this: void, child: Child, parent: Parent): Extract<Child, Values<Parent>> | undefined;
        /**
         * Checks that child value is _not_ contained within a parent object, array, or string
         * through reference equality.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * checkWrap.isNotIn(child, {child}); // returns `undefined`
         * checkWrap.isNotIn('a', 'ab'); // returns `undefined`
         * checkWrap.isNotIn(child, [child]); // returns `undefined`
         *
         * checkWrap.isNotIn(child, {child: {a: 'a'}}); // returns `child`
         * checkWrap.isNotIn('a', 'bc'); // returns `'a'`
         * ```
         *
         * @see
         * - {@link checkWrap.isIn} : the opposite check.
         */
        isNotIn<Parent extends object | string, Child>(this: void, child: Child, parent: Parent): Exclude<Child, Values<Parent>> | undefined;
        /**
         * Checks that a value is empty. Supports strings, Maps, Sets, objects, and arrays.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * checkWrap.isEmpty({}); // returns `{}`
         * checkWrap.isEmpty(''); // returns `''`
         * checkWrap.isEmpty([]); // returns `[]`
         *
         * checkWrap.isEmpty('a'); // returns `undefined`
         * checkWrap.isEmpty({a: 'a'}); // returns `undefined`
         * ```
         *
         * @see
         * - {@link checkWrap.isNotEmpty} : the opposite check.
         */
        isEmpty<Actual extends CanBeEmpty>(this: void, actual: Actual): NarrowToActual<Actual, Empty> | undefined;
        /**
         * Checks that a value is _not_ empty. Supports strings, Maps, Sets, objects, and arrays.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {checkWrap} from '@augment-vir/assert';
         *
         * checkWrap.isNotEmpty({}); // returns `undefined`
         * checkWrap.isNotEmpty(''); // returns `undefined`
         * checkWrap.isNotEmpty([]); // returns `undefined`
         *
         * checkWrap.isNotEmpty('a'); // returns `'a'`
         * checkWrap.isNotEmpty({a: 'a'}); // returns `{a: 'a'}`
         * ```
         *
         * @see
         * - {@link checkWrap.isEmpty} : the opposite check.
         */
        isNotEmpty<Actual extends CanBeEmpty>(this: void, actual: Actual): Exclude<Actual, Empty> | undefined;
    };
    waitUntil: {
        /**
         * Repeatedly calls a callback until its output is an object/array parent includes a child
         * value through reference equality. 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';
         *
         * const child = {a: 'a'};
         *
         * await waitUntil.hasValue(child, () => {
         *     return {child};
         * }); // returns `{child}`;
         * await waitUntil.hasValue(child, () => {
         *     return {child: {a: 'a'}};
         * }); // throws an error
         * await waitUntil.hasValue(child, () => [child]); // returns `[child]`;
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.lacksValue} : the opposite assertion.
         * - {@link waitUntil.hasValues} : the multi-value assertion.
         */
        hasValue: <Parent extends object | string>(this: void, value: unknown, callback: () => MaybePromise<Parent>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Parent>;
        /**
         * Repeatedly calls a callback until its output is an object/array parent does _not_ include
         * a child value through reference equality. 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';
         *
         * const child = {a: 'a'};
         *
         * await waitUntil.lacksValue(child, () => {
         *     return {child};
         * }); // throws an error
         * await waitUntil.lacksValue(child, () => {
         *     return {child: {a: 'a'}};
         * }); // returns `{child: {a: 'a'}}`;
         * await waitUntil.lacksValue(child, () => [child]); // throws an error
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.hasValue} : the opposite assertion.
         * - {@link waitUntil.lacksValues} : the multi-value assertion.
         */
        lacksValue: <Parent extends object | string>(this: void, value: unknown, callback: () => MaybePromise<Parent>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Parent>;
        /**
         * Repeatedly calls a callback until its output is an object/array parent includes all child
         * values through reference equality. 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';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * await waitUntil.hasValues(
         *     [
         *         child,
         *         child2,
         *     ],
         *     () => {
         *         return {child, child2};
         *     },
         * ); // returns `{child, child2}`;
         * await waitUntil.hasValues(
         *     [
         *         child,
         *         child2,
         *     ],
         *     () => {
         *         return {child: {a: 'a'}, child2};
         *     },
         * ); // throws an error
         * await waitUntil.hasValues(
         *     [
         *         child,
         *         child2,
         *     ],
         *     () => [child],
         * ); // returns `[child]`;
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.lacksValues} : the opposite assertion.
         * - {@link waitUntil.hasValue} : the single-value assertion.
         */
        hasValues: <Parent extends object | string>(this: void, value: unknown[], callback: () => MaybePromise<Parent>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Parent>;
        /**
         * Repeatedly calls a callback until its output is an object/array parent includes none of
         * the provided child values through reference equality. 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';
         *
         * const child = {a: 'a'};
         * const child2 = {b: 'b'};
         *
         * await waitUntil.lacksValues(
         *     [
         *         child,
         *         child2,
         *     ],
         *     () => {
         *         return {};
         *     },
         * ); // returns `{}`;
         * await waitUntil.lacksValues(
         *     [
         *         child,
         *         child2,
         *     ],
         *     () => {
         *         return {child, child2};
         *     },
         * ); // throws an error
         * await waitUntil.lacksValues(
         *     [
         *         child,
         *         child2,
         *     ],
         *     () => {
         *         return {child: {a: 'a'}, child2};
         *     },
         * ); // throws an error
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.lacksValues} : the opposite assertion.
         * - {@link waitUntil.hasValue} : the single-value assertion.
         */
        lacksValues: <Parent extends object | string>(this: void, value: unknown[], callback: () => MaybePromise<Parent>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Parent>;
        /**
         * Repeatedly calls a callback until its output is child value is contained within a parent
         * object, array, or string through reference equality. Once the callback output passes, it
         * is returned. If the attempts time out, an error is thrown.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * await waitUntil.isIn({child}, () => child); // returns `child`
         * await waitUntil.isIn('ab', () => 'a'); // returns `'a'`
         * await waitUntil.isIn(child, () => [child]); // returns `child`
         *
         * await waitUntil.isIn({child: {a: 'a'}}, () => child); // throws an error
         * await waitUntil.isIn('bc', () => 'a'); // throws an error
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.isNotIn} : the opposite assertion.
         */
        isIn: <Child, Parent>(this: void, parent: Parent, callback: () => MaybePromise<Child>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<NarrowToExpected<Child, Values<Parent>>>;
        /**
         * Repeatedly calls a callback until its output is child value is _not_ contained within a
         * parent object, array, or string through reference equality. Once the callback output
         * passes, it is returned. If the attempts time out, an error is thrown.
         *
         * Type guards the child when possible.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * const child = {a: 'a'};
         *
         * await waitUntil.isNotIn({child}, () => child); // throws an error
         * await waitUntil.isNotIn('ab', () => 'a'); // throws an error
         * await waitUntil.isNotIn([child], () => child); // throws an error
         *
         * await waitUntil.isNotIn({child: {a: 'a'}}, () => child); // returns `child`;
         * await waitUntil.isNotIn('bc', () => 'a'); // returns `'a'`;
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.isIn} : the opposite assertion.
         */
        isNotIn: <Child, Parent>(this: void, parent: Parent, callback: () => MaybePromise<Child>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Exclude<Child, Values<Parent>>>;
        /**
         * Repeatedly calls a callback until its output is a value is empty. Supports strings, Maps,
         * Sets, objects, and arrays. Once the callback output passes, it is returned. If the
         * attempts time out, an error is thrown.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * await waitUntil.isEmpty(() => {
         *     return {};
         * }); // returns `{}`;
         * await waitUntil.isEmpty(() => ''); // returns `''`;
         * await waitUntil.isEmpty(() => []); // returns `[]`;
         *
         * await waitUntil.isEmpty(() => 'a'); // throws an error
         * await waitUntil.isEmpty(() => {
         *     return {a: 'a'};
         * }); // throws an error
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.isNotEmpty} : the opposite assertion.
         */
        isEmpty: <Actual extends CanBeEmpty>(this: void, callback: () => MaybePromise<Actual>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<NarrowToActual<Actual, Empty>>;
        /**
         * Repeatedly calls a callback until its output is a value is _not_ empty. Supports strings,
         * Maps, Sets, objects, and arrays. Once the callback output passes, it is returned. If the
         * attempts time out, an error is thrown.
         *
         * Type guards the value.
         *
         * @example
         *
         * ```ts
         * import {waitUntil} from '@augment-vir/assert';
         *
         * await waitUntil.isNotEmpty(() => {
         *     return {};
         * }); // throws an error
         * await waitUntil.isNotEmpty(() => ''); // throws an error
         * await waitUntil.isNotEmpty(() => []); // throws an error
         *
         * await waitUntil.isNotEmpty(() => 'a'); // returns `'a'`;
         * await waitUntil.isNotEmpty(() => {
         *     return {a: 'a'};
         * }); // returns `{a: 'a'}`;
         * ```
         *
         * @returns The callback output once it passes.
         * @throws {@link AssertionError} On timeout.
         * @see
         * - {@link waitUntil.isEmpty} : the opposite assertion.
         */
        isNotEmpty: <Actual extends CanBeEmpty>(this: void, callback: () => MaybePromise<Actual>, options?: WaitUntilOptions | undefined, failureMessage?: string | undefined) => Promise<Exclude<Actual, Empty>>;
    };
};