import type { NostrEvent, TaggedNostrEvent, OkResponse } from "./nostr";
import type { RelaySettings } from "./connection";
import type { RequestBuilder } from "./request-builder";
import { TraceTimeline } from "./trace-timeline";
import { ProfileLoaderService, type SystemInterface, type SystemSnapshot, type QueryLike, type SystemConfig } from ".";
import { RelayMetadataLoader } from "./outbox";
import { type ConnectionPool } from "./connection-pool";
import type { RequestRouter } from "./request-router";
import { SystemBase } from "./system-base";
/**
 * Manages nostr content retrieval system
 */
export declare class NostrSystem extends SystemBase implements SystemInterface {
    #private;
    readonly profileLoader: ProfileLoaderService;
    readonly pool: ConnectionPool;
    readonly relayLoader: RelayMetadataLoader;
    readonly requestRouter: RequestRouter | undefined;
    readonly traceTimeline: TraceTimeline;
    constructor(props: Partial<SystemConfig>);
    Init(follows?: Array<string>): Promise<void>;
    PreloadSocialGraph(follows?: Array<string>, root?: string): Promise<void>;
    ConnectToRelay(address: string, options: RelaySettings): Promise<void>;
    ConnectEphemeralRelay(address: string): Promise<import("./connection-pool").ConnectionType | undefined>;
    DisconnectRelay(address: string): void;
    GetQuery(id: string): QueryLike | undefined;
    Fetch(req: RequestBuilder, cb?: (evs: Array<TaggedNostrEvent>) => void): Promise<TaggedNostrEvent[]>;
    FetchAll(): Promise<void>;
    Query(req: RequestBuilder): QueryLike;
    HandleEvent(subId: string, ev: TaggedNostrEvent): void;
    BroadcastEvent(ev: NostrEvent, cb?: (rsp: OkResponse) => void): Promise<OkResponse[]>;
    WriteOnceToRelay(address: string, ev: NostrEvent): Promise<OkResponse>;
    takeSnapshot(): SystemSnapshot;
    hydrateQuery(id: string, events: Array<TaggedNostrEvent>): void;
    getHydrationData(): Record<string, Array<TaggedNostrEvent>>;
}
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