/**
 * Slack channel adapter.
 *
 * Architecture borrowed from NanoClaw (https://github.com/qwibitai/nanoclaw).
 * Handles all Slack I/O over Socket Mode: receiving messages, sending
 * responses, busy reactions. Contains zero business logic — that lives in
 * the pi agent.
 */
export declare function startSlack(): Promise<void>;
export declare function sendResponse(jid: string, text: string, ctx?: {
    threadTs?: string;
}): Promise<boolean>;
/**
 * Upload local files to the channel as real Slack attachments. Used when the
 * agent's response references files on the gateway host (a file:// link would
 * be dead for every Slack recipient).
 */
export declare function sendFiles(jid: string, filePaths: string[], ctx?: {
    threadTs?: string;
}): Promise<boolean>;
/**
 * Busy indicator: Slack has no bot typing indicator, so react to the
 * triggering message instead. No-ops when there is no message ts (scheduler
 * runs) and never rejects — a missing reactions:write scope must not break
 * the processing pipeline.
 */
export declare function setBusy(jid: string, on: boolean, ctx?: {
    ts?: string;
}): Promise<void>;
export declare function stopSlack(): void;
export declare function getBotTag(): string | undefined;