import { LazyIterator } from './iterator.cjs';

/**
 * A lazy iterator that filters values from the source iterator.
 */
declare class LazyFilterIterator<T, TReturn = any, TNext = undefined> extends LazyIterator<T, TReturn, TNext> {
    source: LazyIterator<T, TReturn, TNext>;
    predicate: (value: T) => boolean;
    constructor(source: LazyIterator<T, TReturn, TNext>, predicate: (value: T) => boolean);
    next(...args: [] | [TNext]): IteratorResult<T, TReturn>;
}
declare module "./iterator" {
    interface LazyIterator<T, TReturn, TNext> {
        /**
         * Creates a lazy iterator that filters values from this lazy iterator.
         * @param predicate The predicate function to use to filter values.
         */
        filter(predicate: (value: T) => boolean): LazyFilterIterator<T, TReturn, TNext>;
    }
}

export { LazyFilterIterator };