import { EventEmitter } from "node:events";
import type { GossipUDP } from "../gossip_udp.js";
import type { GossipMessage } from "../gossip.js";
/**
 * FaultyGossipUDP — wraps a real GossipUDP instance and selectively
 * drops gossip messages to/from partitioned peers.
 *
 * Partitions are bidirectional at the individual node level:
 * - Outbound: `send()` calls to partitioned gossip addresses are silently dropped
 * - Inbound: messages from partitioned senderIds are silently dropped
 *
 * For a full partition between nodeA and nodeB, both nodes must call
 * `partition()` (or TestCluster handles this automatically).
 */
export declare class FaultyGossipUDP extends EventEmitter {
    private readonly inner;
    /** Gossip addresses to block outbound sends to (e.g., "127.0.0.1:5002") */
    private readonly partitionedAddresses;
    /** Node IDs to block inbound messages from */
    private readonly partitionedNodeIds;
    private readonly log;
    constructor(inner: GossipUDP);
    /**
     * Block gossip traffic to/from a peer.
     * @param nodeId The peer's nodeId (blocks inbound)
     * @param gossipAddress The peer's gossip address "host:port" (blocks outbound)
     */
    partition(nodeId: string, gossipAddress: string): void;
    /**
     * Restore gossip traffic to/from a peer.
     * @param nodeId The peer's nodeId (unblocks inbound)
     * @param gossipAddress The peer's gossip address "host:port" (unblocks outbound)
     */
    heal(nodeId: string, gossipAddress: string): void;
    /**
     * Restore all gossip partitions.
     */
    healAll(): void;
    start(): Promise<void>;
    stop(): Promise<void>;
    send(message: GossipMessage, targetAddress: string, targetPort: number): Promise<void>;
}
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