import { WebClient } from '@slack/web-api';
import { BaseConversationHistoryProvider } from './base-conversation-history.provider';
import { ConversationThread, FetchHistoryOptions } from './conversation-history.interface';
export declare class SlackConversationHistoryProvider extends BaseConversationHistoryProvider {
    private client?;
    private cache;
    private readonly CACHE_TTL;
    private botInfo?;
    constructor();
    initialize(client: WebClient): void;
    private getBotInfo;
    fetchHistory(threadId: string, options?: FetchHistoryOptions): Promise<ConversationThread>;
    hasHistory(threadId: string): Promise<boolean>;
    formatForAI(thread: ConversationThread, options?: FetchHistoryOptions): Promise<string>;
    private extractMessageContent;
    private cleanSlackText;
    private getCachedThread;
    private cacheThread;
    private createEmptyThread;
    clearCache(): void;
    invalidateCache(threadId: string): void;
}