import { SimplePool, Event } from "nostr-tools";
import { Expert } from "../../common/types.js";
/**
 * Parse an expert profile event into an Expert object
 *
 * @param event - The expert profile event to parse
 * @returns Expert object or null if invalid
 */
export declare function parseExpertProfile(event: Event): Expert | null;
/**
 * Interface for a post with optional reply context
 */
export interface PostWithContext {
    /** Post ID (event.id) */
    id: string;
    /** Post creation timestamp */
    created_at: number;
    /** Post content */
    content: string;
    /** Public key of the author */
    pubkey: string;
    /** Optional reply context */
    in_reply_to?: {
        /** Parent post creation timestamp */
        created_at: number;
        /** Parent post content */
        content: string;
        /** Public key of the parent post author */
        pubkey: string;
    };
}
/**
 * Interface for profile information returned by crawlProfile
 */
export interface ProfileInfo {
    /** Profile data (kind:0 event content) */
    profile: any;
    /** Posts data with context */
    posts: PostWithContext[];
}
/**
 * Nostr utility class for fetching and processing Nostr data
 */
export declare class Nostr {
    /** SimplePool instance for Nostr relay connections */
    private pool;
    /** Default outbox relays to check for user data */
    static readonly OUTBOX_RELAYS: string[];
    /**
     * Creates a new Nostr utility instance
     *
     * @param pool - SimplePool instance for Nostr relay connections
     */
    constructor(pool: SimplePool);
    /**
     * Crawls a user's profile and posts
     *
     * @param pubkey - Public key of the user
     * @param limit - Maximum number of posts to fetch (default: 1000)
     * @returns Promise resolving to ProfileInfo with profile and posts
     */
    crawlProfile(pubkey: string, limit?: number): Promise<ProfileInfo>;
    /**
     * Parses a kind:10002 relay list event into read and write relays
     *
     * @param event - The relay list event
     * @returns Object containing read and write relay arrays
     */
    private parseRelayList;
    /**
     * Crawls Nostr events for a specific pubkey and kinds
     *
     * @param pubkey - Public key of the user
     * @param kinds - Array of event kinds to fetch (default: [1] for notes)
     * @param relays - Array of relay URLs to fetch from (default: auto-detect from user's kind:10002)
     * @param limit - Maximum number of events to fetch (default: 1000)
     * @returns Promise resolving to an array of events
     */
    crawl({ pubkey, kinds, relays, limit }: {
        pubkey: string;
        kinds?: number[];
        relays?: string[];
        limit?: number;
    }): Promise<Event[]>;
}