/**
 * @title isIterator
 * @description 是iterator
 * @param value {unknown}
 * @returns {boolean}
 */
export declare function isIterator(value: unknown): value is IterableIterator<unknown>;
/**
 * @title isArrayIterator
 * @description 是 Array Iterator
 * @param value {unknown}
 * @returns {boolean}
 */
export declare function isArrayIterator(value: unknown): value is IterableIterator<[number, unknown]>;
/**
 * @title isMapIterator
 * @description 是 Map Iterator
 * @param value {unknown}
 * @returns {boolean}
 */
export declare function isMapIterator(value: unknown): value is IterableIterator<[unknown, unknown]>;
/**
 * @title isSetIterator
 * @description 是 Set Iterator
 * @param value {unknown}
 * @returns {boolean}
 */
export declare function isSetIterator(value: unknown): value is IterableIterator<[unknown, unknown]>;
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