/**
 * Pick object properties where the value is of a type.
 *
 * @group Utils
 * @category Object
 */
export type PickByValue<T, ValueType> = Pick<T, {
    [Key in keyof T]-?: T[Key] extends ValueType ? Key : never;
}[keyof T]>;
/**
 * Returns true if `x` is an object and not `null`.
 *
 * @group Utils
 * @category Object
 */
export declare function isNonNullObject(x: unknown): x is Record<keyof any, unknown>;
/**
 * Returns true if `x` is `ArrayLike`.
 *
 * @group Utils
 * @category Object
 */
export declare function isArrayLike<T>(x: unknown): x is ArrayLike<T>;
/**
 * @group Utils
 * @category Object
 */
export declare function isIterable<T>(x: unknown): x is Iterable<T>;
/**
 * @group Utils
 * @category Object
 */
export declare function isAsyncIterable<T>(x: unknown): x is AsyncIterable<T>;
/**
 * @group Utils
 * @category Object
 */
export declare function isIteratorOrAsyncIterator<T>(x: unknown): x is Iterator<T> | AsyncIterator<T>;
/**
 * Makes keys required, if they're not already.
 *
 * @group Utils
 * @category Object
 */
export type RequiredProps<Type, Key extends keyof Type> = Type & {
    [K in Key]-?: Type[K];
};
/**
 * Override methods on an object.
 *
 * @example
 * ```
 * const obj = {
 *   foo: () => 'foo',
 *   bar: () => 'bar',
 * }
 *
 * const obj2 = overrideObject(obj, {
 *   foo: (obj) => obj.foo().reverse()
 * })
 *
 * console.info(obj2.bar())
 * // 'bar'
 * console.info(obj2.foo())
 * // 'oof'
 * ```
 */
export declare function overrideObject<T extends object>(target: T, methods: Partial<MethodOverrides<T>>): T;
export type MethodOverrides<T> = {
    [K in keyof T as T[K] extends (...args: any[]) => unknown ? K : never]: T[K] extends (...args: any[]) => unknown ? (target: T, ...args: Parameters<T[K]>) => ReturnType<T[K]> : never;
};
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