import { Message, MessageInput } from './database.js';
export interface ConversationTree {
    id: string;
    title: string;
    task_description: string;
    children: ConversationTree[];
}
export interface SearchResult {
    conversation_id: string;
    message_id: string;
    prev_message_id: string | null;
    next_message_id: string | null;
    author: string;
    payload: string;
    created_at: number;
}
/**
 * Save or update a conversation with messages
 */
export declare function remixConversation(newConversationId: string, title: string, taskDescription: string, messages: MessageInput[], oldConversationId?: string): Promise<{
    success: boolean;
    conversation_id: string;
    message: string;
}>;
/**
 * Retrieve all messages for a conversation as an array
 */
export declare function continueConversation(conversationId: string): Promise<Message[] | null>;
/**
 * Build a tree structure of conversations
 */
export declare function readConversationTree(rootConversation?: string): Promise<ConversationTree[]>;
/**
 * Search messages from child conversation up to all parent conversations
 */
export declare function searchParents(keywords: string[], childConversationId: string): Promise<SearchResult[]>;
/**
 * Search messages from parent conversation down to all child conversations recursively
 */
export declare function searchChildren(keywords: string[], parentConversationId: string): Promise<SearchResult[]>;
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