import { ConversationState, ConversationMessage } from '../types';
import { IPersistentStorage } from './interfaces';
/**
 * Persistent conversation manager that extends the basic conversation manager
 * with file-based persistence capabilities
 */
export declare class PersistentConversationManager {
    private conversations;
    private storage;
    private autoSave;
    constructor(storage: IPersistentStorage, autoSave?: boolean);
    /**
     * Initialize by loading all conversations from storage
     */
    initialize(): Promise<void>;
    generateConversationId(): string;
    createConversation(id?: string): Promise<string>;
    getConversation(id: string): ConversationState | undefined;
    loadConversation(id: string): Promise<ConversationState | undefined>;
    addMessage(conversationId: string, role: 'user' | 'assistant', content: string): Promise<void>;
    getConversationHistory(conversationId: string): ConversationMessage[];
    updateTopic(conversationId: string, topic: string): Promise<void>;
    markTopicComplete(conversationId: string, topic: string): Promise<void>;
    getCompletedTopics(conversationId: string): string[];
    deleteConversation(conversationId: string): Promise<boolean>;
    listConversations(): Promise<string[]>;
    saveConversation(conversationId: string): Promise<void>;
    saveAllConversations(): Promise<void>;
    getConversationStats(): Promise<{
        total: number;
        inMemory: number;
        averageMessages: number;
        totalMessages: number;
    }>;
    setAutoSave(enabled: boolean): void;
}
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