import { BaseChannel } from './index';
/**
 * Slack Channel — v0.8.0
 * Slack Bot with Socket Mode / Events API support, threads, and slash commands.
 */
export interface SlackChannelConfig {
    /** Bot token (xoxb-...) */
    botToken: string;
    /** App-level token for Socket Mode (xapp-...) */
    appToken?: string;
    /** Signing secret for Events API verification */
    signingSecret?: string;
    /** Use Socket Mode (true) or Events API (false) */
    socketMode?: boolean;
    /** Port for Events API webhook server (default: 3001) */
    port?: number;
    /** Slash commands to register */
    slashCommands?: SlashCommandConfig[];
}
export interface SlashCommandConfig {
    command: string;
    description: string;
    handler?: (payload: SlashCommandPayload) => Promise<string>;
}
export interface SlashCommandPayload {
    command: string;
    text: string;
    userId: string;
    channelId: string;
    triggerId: string;
}
export interface SlackMessageEvent {
    type: string;
    channel: string;
    user: string;
    text: string;
    ts: string;
    threadTs?: string;
    botId?: string;
}
export declare class SlackChannel extends BaseChannel {
    type: string;
    private config;
    private running;
    private slashHandlers;
    constructor(config: SlackChannelConfig);
    start(): Promise<void>;
    stop(): Promise<void>;
    /** Start Socket Mode connection */
    private startSocketMode;
    /** Start Events API HTTP server */
    private startEventsAPI;
    /** Handle incoming Slack message */
    handleMessage(event: SlackMessageEvent): Promise<void>;
    /** Handle slash command */
    handleSlashCommand(payload: SlashCommandPayload): Promise<string>;
    /** Convert Slack event to Message */
    private slackToMessage;
    /** Send a message to a Slack channel */
    sendMessage(channel: string, text: string, threadTs?: string): Promise<void>;
}
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