import type { ConversationState, ConversationStore } from '../types/conversation-store.interface';
/**
 * In-memory ConversationStore — useful for tests and lightweight apps.
 * State is lost when the process restarts. Use MongoConversationStore in production.
 */
export declare class MemoryConversationStore implements ConversationStore {
    private readonly map;
    load(threadKey: string): Promise<ConversationState | null>;
    save(threadKey: string, state: ConversationState): Promise<void>;
    create(threadKey: string, conversationId: string): Promise<ConversationState>;
}
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