import type { ConversationCache } from "../../conversation-cache";
/**
 * Thin repository wrapper around ConversationCache for the project-id flow.
 * The cache is the source of truth for conversation rows; this just exposes
 * a stable, repo-style API for services that don't want to know about the
 * cache class directly.
 */
export declare class ConversationsRepository {
    private cache;
    constructor(cache: ConversationCache);
    updateConversationProjectId(args: {
        conversationId: string;
        projectId: string;
    }): void;
    listConversationsForProjectBackfill(): {
        id: string;
        projectPath: string | null;
        projectId: string | null;
        lastActivity: string | null;
    }[];
    getLatestConversation(): {
        id: string;
        lastActivity: string | null;
    } | null;
    hasOrphanRows(): boolean;
}
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