/**
 * Telegram Gateway for MAMA Standalone
 *
 * Production-hardened Telegram bot integration using grammY:
 * - 2-stage message dedup (message_id + content signature)
 * - Group chat filtering (mention/command/reply-to-bot only)
 * - Sticker receive/send with emotion mapping
 * - ToolStatusTracker streaming (placeholder → editMessageText)
 * - Typing indicator, error handling
 */
import { BaseGateway } from './base-gateway.js';
import type { MessageRouter } from './message-router.js';
/**
 * Telegram Gateway configuration
 */
export interface TelegramGatewayConfig {
    /** Enable Telegram gateway */
    enabled: boolean;
    /** Telegram bot token from @BotFather */
    token: string;
    /** Allowed chat IDs (empty = allow all) */
    allowedChats?: string[];
}
/**
 * Telegram Gateway options
 */
export interface TelegramGatewayOptions {
    /** Telegram bot token */
    token: string;
    /** Message router for processing messages */
    messageRouter: MessageRouter;
    /** Gateway configuration */
    config?: Partial<TelegramGatewayConfig>;
    /** Polling interval in ms (unused with grammY, kept for interface compat) */
    pollIntervalMs?: number;
}
/**
 * Telegram Gateway class
 */
export declare class TelegramGateway extends BaseGateway {
    readonly source: "telegram";
    private token;
    private config;
    private bot;
    private botId;
    private botUsername;
    private lastError;
    private lastMessageAt;
    private recentMessageIds;
    private recentMessageSignatures;
    private dedupCleanupTimer;
    private stickerCache;
    private stickerSetLoaded;
    protected get mentionPattern(): RegExp | null;
    constructor(options: TelegramGatewayOptions);
    start(): Promise<void>;
    stop(): Promise<void>;
    private handleMessage;
    sendMessage(chatId: string, text: string): Promise<void>;
    sendFile(chatId: string, filePath: string, caption?: string): Promise<void>;
    sendImage(chatId: string, imagePath: string, caption?: string): Promise<void>;
    sendSticker(chatId: string | number, emotion: string): Promise<boolean>;
    getLastError(): string | null;
    getLastMessageAt(): number | undefined;
    private splitMessage;
    private loadStickerSet;
}
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