import { type NostrEvent, type ReqFilter, type SystemInterface } from "..";
import type { FlatReqFilter } from "../query-optimizer";
import { BaseRequestRouter } from "../request-router";
import { type AuthorsRelaysCache, type EventFetcher, type PickedRelays } from ".";
/**
 * Simple outbox model using most popular relays
 */
export declare class OutboxModel extends BaseRequestRouter {
    #private;
    constructor(relays: AuthorsRelaysCache, fetcher: EventFetcher);
    static fromSystem(system: SystemInterface): OutboxModel;
    /**
     * Pick top relays for each user
     * @param authors The authors whos relays will be picked
     * @param pickN Number of relays to pick per pubkey
     * @param type Read/Write relays
     * @returns
     */
    pickTopRelays(authors: Array<string>, pickN: number, type: "write" | "read"): Array<PickedRelays>;
    /**
     * Split a request filter by authors
     * @param filter Filter to split
     * @param pickN Number of relays to pick per author
     * @returns
     */
    forRequest(filter: ReqFilter, pickN?: number): Array<ReqFilter>;
    /**
     * Split a flat request filter by authors
     * @param filter Filter to split
     * @param pickN Number of relays to pick per author
     * @returns
     */
    forFlatRequest(input: Array<FlatReqFilter>, pickN?: number): Array<FlatReqFilter>;
    /**
     * Pick relay inboxs for replies
     * @param ev The reply event to send
     * @param system Nostr system interface
     * @param pickN Number of relays to pick per recipient
     * @returns
     */
    forReply(ev: NostrEvent, pickN?: number): Promise<string[]>;
    forReplyTo(pk: string, pickN?: number | undefined): Promise<string[]>;
    /**
     * Update relay cache with latest relay lists
     * @param authors The authors to update relay lists for
     */
    updateRelayLists(authors: Array<string>): Promise<void>;
}
//# sourceMappingURL=outbox-model.d.ts.map