/**
 * WhatsApp Adapter — Uses @whiskeysockets/baileys for WhatsApp Web.
 *
 * Auth: QR Code scan (generates auth state files on disk)
 * Mode: WebSocket (persistent connection to WhatsApp servers)
 * Note: This uses the unofficial WhatsApp Web API — use responsibly.
 */
import { MessageBuffer } from '../buffer.js';
import type { ChannelAdapter, ChannelInfo, ChannelMessage, ChannelState, HistoryOptions, Platform, SendOptions, SendResult } from '../adapter.js';
export declare class WhatsAppAdapter implements ChannelAdapter {
    readonly platform: Platform;
    state: ChannelState;
    readonly buffer: MessageBuffer;
    private sock;
    private authDir;
    private knownChats;
    private reconnectAttempts;
    private static readonly MAX_RECONNECT;
    /** Last raw QR code string from Baileys (WhatsApp pairing URI, not an image) */
    lastQrCode: string | null;
    /** Whether this adapter needs QR scanning (no saved auth state) */
    needsQrScan: boolean;
    constructor(authDir: string, bufferSize?: number);
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    send(options: SendOptions): Promise<SendResult>;
    getHistory(options: HistoryOptions): Promise<ChannelMessage[]>;
    listChannels(): Promise<ChannelInfo[]>;
    isHealthy(): Promise<boolean>;
}
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