import { Observable } from "rxjs";
import { NostrEvent } from "../helpers/event.js";
import { DeleteEventNotification, IDeleteManager } from "./interface.js";
/** Manages deletion state for events, ensuring users can only delete their own events */
export declare class DeleteManager implements IDeleteManager {
    /** A stream of pointers that may have been deleted */
    readonly deleted$: Observable<DeleteEventNotification>;
    /** Internal subject for deleted$ observable */
    private deletedSubject;
    /** Maps author pubkey to Set of event IDs they have deleted */
    private deletedIds;
    /** Maps of author pubkey to Map of kind + "|" + identifier and timestamp of the delete event */
    private deletedIdentifiers;
    constructor();
    /**
     * Process a kind 5 delete event
     * Extracts event pointers and address pointers from the delete event
     * Enforces that users can only delete their own events
     */
    add(deleteEvent: NostrEvent): DeleteEventNotification[];
    /**
     * Check if an event is deleted
     * Verifies the event was deleted by its own author
     */
    check(event: NostrEvent): boolean;
    /**
     * Filter out all deleted events from an array of events
     */
    filter(events: NostrEvent[]): NostrEvent[];
}