/**
 * InboxPoller - Background polling for the MCP server.
 *
 * Uses the AgentDrop SDK's inbox() to check for new transfers,
 * and fires a callback when unseen ones arrive. The MCP server
 * uses this to push `notifications/message` to the client.
 */
import type { AgentDrop, Transfer, Broadcast } from "agentdrop-sdk";
export interface InboxPollerOptions {
    client: AgentDrop;
    /** Milliseconds between polls. Default: 30 000 */
    pollInterval?: number;
    /** Called for each new incoming transfer. */
    onNewTransfer: (transfer: Transfer) => void;
    /** Called for each new platform broadcast. */
    onBroadcast?: (broadcast: Broadcast) => void;
}
export declare class InboxPoller {
    private client;
    private pollInterval;
    private onNewTransfer;
    private onBroadcast?;
    private seenIds;
    private seenBroadcastIds;
    private timer;
    isRunning: boolean;
    constructor(opts: InboxPollerOptions);
    /**
     * Snapshot current inbox so we don't alert on pre-existing transfers.
     */
    seedSeen(): Promise<void>;
    /**
     * Single poll cycle: fetch inbox, notify on new transfers and broadcasts.
     */
    checkInbox(): Promise<void>;
    /**
     * Start background polling. Seeds seen IDs first, then polls on interval.
     */
    start(): Promise<void>;
    stop(): void;
}