import { type Filter } from 'nostr-tools';
import { PaginationOpts } from './types';
export declare class FilterBuilder<K extends number> {
    private filter;
    constructor();
    authors(authors: string | string[]): FilterBuilder<K>;
    ids(ids: string | string[]): FilterBuilder<K>;
    pubkeys(pubkeys: string | string[]): FilterBuilder<K>;
    events(events: string | string[]): FilterBuilder<K>;
    kinds(kinds: K | K[]): FilterBuilder<K>;
    since(since: number | Date): FilterBuilder<K>;
    until(until: number | Date): FilterBuilder<K>;
    limit(limit: number): FilterBuilder<K>;
    search(search: string): FilterBuilder<K>;
    pagination(opts: PaginationOpts): FilterBuilder<K>;
    toFilter(): Filter<K>;
    toFilters(filters?: Filter<K> | Filter<K>[]): Filter<K>[];
    private addToArrayProperty;
}
export declare function filterBuilder<K extends number>(): FilterBuilder<K>;