import { type UnsignedEvent } from "nostr-tools";
import { AbstractSimplePool } from "nostr-tools/lib/types/pool";
export type NenrollSuccess = {
    res: "ok";
    noffer: string;
    ndebit: string;
    nmanage: string;
};
export type NenrollFailure = {
    res: "GFY";
    code: number;
    error: string;
    required_difficulty?: number;
    retry_after?: number;
    delta?: {
        max_delta_ms: number;
        actual_delta_ms: number;
    };
};
export type NenrollResponse = NenrollSuccess | NenrollFailure;
export type NenrollOptions = {
    /** NIP-13 bits to mine before send. `0` probes. Omit to let the caller pick (beacon or probe). */
    difficulty?: number;
};
export declare const newNenrollEvent: (content: string, fromPub: string, toPub: string) => UnsignedEvent;
export declare const SendNenrollRequest: (pool: AbstractSimplePool, privateKey: Uint8Array, relays: string[], toPubKey: string, difficulty?: number, timeoutSeconds?: number) => Promise<NenrollResponse>;