import { BasePlatformAdapter, MessageEvent, ProcessingOutcome, SendResult } from './platform-base.js';
import type { PlatformConfig } from './platform-base.js';
export interface SignalConfig extends PlatformConfig {
    httpUrl: string;
    account: string;
    ignoreStories?: boolean;
    groupAllowFrom?: string[];
}
declare const MAX_MESSAGE_LENGTH = 8000;
declare function guessExtension(contentType: string): string;
declare function isLooksLikeE164(value: string): boolean;
declare function isSignalServiceId(value: string): boolean;
export declare class SignalChannel extends BasePlatformAdapter {
    private httpUrl;
    private account;
    private ignoreStories;
    private groupAllowFrom;
    private sseTask;
    private healthTask;
    private typingTasks;
    private typingFailures;
    private lastSseActivity;
    private recipientUuidByNumber;
    private recipientNumberByUuid;
    private recentSentTimestamps;
    private forceReconnectFlag;
    constructor(config: SignalConfig);
    connect(): Promise<boolean>;
    disconnect(): Promise<void>;
    private sseListener;
    private healthMonitor;
    private handleEnvelope;
    private rpc;
    private resolveRecipient;
    send(chatId: string, content: string, replyTo?: string, _metadata?: Record<string, unknown>): Promise<SendResult>;
    editMessage(_chatId: string, _messageId: string, _content: string, _finalize?: boolean): Promise<SendResult>;
    sendTyping(chatId: string, _metadata?: Record<string, unknown>): Promise<void>;
    stopTyping(chatId: string): Promise<void>;
    sendImage(chatId: string, imageUrl: string, caption?: string, _replyTo?: string, _metadata?: Record<string, unknown>): Promise<SendResult>;
    sendAnimation(chatId: string, animationUrl: string, caption?: string, replyTo?: string, metadata?: Record<string, unknown>): Promise<SendResult>;
    sendVoice(chatId: string, audioPath: string, caption?: string): Promise<SendResult>;
    sendReaction(chatId: string, targetTimestamp: number, emoji: string): Promise<SendResult>;
    getChatInfo(chatId: string): Promise<Record<string, unknown>>;
    onProcessingComplete(_event: MessageEvent, _outcome: ProcessingOutcome): void;
}
export { MAX_MESSAGE_LENGTH, guessExtension, isLooksLikeE164, isSignalServiceId };
//# sourceMappingURL=signal.d.ts.map