/**
 * Slack Gateway for MAMA Standalone
 *
 * Provides Slack integration using Socket Mode for receiving and responding to messages.
 * Supports both DM and channel mentions with thread context preservation.
 */
import { BaseGateway } from './base-gateway.js';
import type { SlackGatewayConfig, SlackChannelConfig } from './types.js';
import type { TurnProcessor } from './turn-contract.js';
import type { MultiAgentConfig } from '../cli/config/types.js';
/**
 * Slack Gateway options
 */
export interface SlackGatewayOptions {
    /** Slack bot token (xoxb-...) */
    botToken: string;
    /** Slack app token for Socket Mode (xapp-...) */
    appToken: string;
    /** Owner Slack user ID. Unset means owner resolution fails closed. */
    ownerUserId?: string;
    /** Message router for processing messages */
    turnProcessor: TurnProcessor;
    /** Gateway configuration */
    config?: Partial<SlackGatewayConfig>;
    /** Multi-agent configuration (optional) */
    multiAgentConfig?: MultiAgentConfig;
    /** Multi-agent runtime backend options (optional) */
    /** Optional core-backed principal lookup; consumed by the identity overlay in Task 5. */
    principalResolver?: (connector: string, namespace: string, externalId: string) => {
        principalId: string;
        kind: 'owner' | 'member';
        status: string;
    } | null;
}
/**
 * Slack Gateway class
 *
 * Connects to Slack via Socket Mode and routes messages
 * to the MessageRouter for processing.
 */
export declare class SlackGateway extends BaseGateway {
    readonly source: "slack";
    readonly principalResolver: SlackGatewayOptions['principalResolver'];
    private socketClient;
    private webClient;
    private config;
    private teamId?;
    private ownerWarningLogged;
    private missingTeamIdWarningLogged;
    private botToken;
    private processedMessages;
    private static get DEDUP_TTL_MS();
    private logger;
    protected get mentionPattern(): RegExp | null;
    constructor(options: SlackGatewayOptions);
    /**
     * Set up Socket Mode event listeners
     */
    private setupEventListeners;
    /**
     * Handle incoming Slack message
     */
    private handleMessage;
    /**
     * Check if bot should respond to this message
     */
    private shouldRespond;
    protected cleanMessageContent(content: string): string;
    /**
     * Download files attached to a Slack message.
     * Slack requires Authorization header with bot token for url_private_download.
     */
    private downloadSlackFiles;
    /**
     * Send response to Slack (handling length limits and threading)
     */
    private sendResponse;
    /**
     * Start the Slack gateway
     */
    start(): Promise<void>;
    /**
     * Stop the Slack gateway
     */
    stop(): Promise<void>;
    /**
     * Update gateway configuration
     */
    setConfig(config: Partial<SlackGatewayConfig>): void;
    /**
     * Get current configuration
     */
    getConfig(): SlackGatewayConfig;
    /**
     * Add channel configuration
     */
    addChannelConfig(channelId: string, config: SlackChannelConfig): void;
    /**
     * Send message to a channel
     */
    sendMessage(channelId: string, text: string): Promise<void>;
    /**
     * Send file/document to a channel
     * Supports any file type (documents, images, PDFs, etc.)
     */
    sendFile(channelId: string, filePath: string, caption?: string): Promise<void>;
    /**
     * Send image to a channel (alias for sendFile)
     */
    sendImage(channelId: string, imagePath: string, caption?: string): Promise<void>;
    /**
     * Update multi-agent configuration
     */
    setMultiAgentConfig(config: MultiAgentConfig): Promise<void>;
}
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