export declare function iterFromIndex<T>(array: T[], index: number): Generator<T, void, unknown>;
export declare function iterFilter<T>(iterator: Iterable<T>, predicate: (value: T) => boolean): Generator<T, void, unknown>;
export declare function iterConcat<T>(...iterators: Iterable<T>[]): Generator<T, void, unknown>;
export declare function iterUnique<T>(iterator: Iterable<T>): Generator<T, void, unknown>;
export declare function iterMap<T, U>(iterator: Iterable<T>, mapper: (value: T) => U): Generator<U, void, unknown>;
export declare function iterEmpty(): Generator<never, void, unknown>;
export declare function asyncIterTake(iterator: AsyncIterable<any> | Iterable<any>, count: number): AsyncGenerator<any, void, unknown>;
export declare function asyncIterFilter<T>(iterator: AsyncIterable<T> | Iterable<T>, predicate: (value: T) => boolean | Promise<boolean>): AsyncGenerator<T, void, unknown>;
export declare function asyncIterConcat<T>(...iterators: (AsyncIterable<T> | Iterable<T>)[]): AsyncGenerator<T, void, unknown>;
export declare function asyncIterUnique<T>(iterator: AsyncIterable<T> | Iterable<T>, getId?: (value: T) => any): AsyncGenerator<T, void, unknown>;
export declare function asyncIterMap<T, U>(iterator: AsyncIterable<T> | Iterable<T>, mapper: (value: T) => U): AsyncGenerator<U, void, unknown>;
export declare function asyncIterEvery<T>(iterator: AsyncIterable<T> | Iterable<T>, predicate: (value: T) => boolean | Promise<boolean>): Promise<boolean>;
export declare function asyncIterSome<T>(iterator: AsyncIterable<T> | Iterable<T>, predicate: (value: T) => boolean | Promise<boolean>): Promise<boolean>;