import { BaseSqliteRepository } from './base-sqlite-repository.js';
import { threads } from '../schema/index.js';
import type { TaskRow } from './task.repository.js';
export type ThreadRow = typeof threads.$inferSelect;
export type NewThread = typeof threads.$inferInsert;
export declare class ThreadRepository extends BaseSqliteRepository {
    private readonly dbPath?;
    constructor(opts?: {
        dbPath?: string;
        dbRoot?: string;
    });
    resolveDbPath(): string;
    private openHandle;
    private validateWorkspaceId;
    private topLevelTaskPredicateSql;
    findAllThreads(workspaceId?: string): ThreadRow[];
    findThreadById(threadId: string, workspaceId?: string): ThreadRow | undefined;
    threadExists(threadId: string, workspaceId?: string): boolean;
    aggregateTaskStats(threadId: string, workspaceId?: string): {
        taskCount: number;
        inputTokens: number;
        outputTokens: number;
        cachedInputTokens: number;
        costUsd: number;
        agentIds: string[];
    };
    findTopLevelTasks(threadId: string, workspaceId?: string, limit?: number): TaskRow[];
    findAllTasks(threadId: string, workspaceId?: string): TaskRow[];
    findTaskById(threadId: string, taskId: string, workspaceId?: string): {
        task: TaskRow;
        children: TaskRow[];
    } | undefined;
    batchFetchTasks(threadIds: string[], workspaceId?: string): Map<string, TaskRow[]>;
    updateThreadTitle(threadId: string, title: string, workspaceId?: string): void;
    upsertThread(threadId: string, opts: {
        platform: string;
        workspaceId?: string;
        title?: string;
        titleLocked?: boolean;
    }): void;
    ensureThread(threadId: string, platform: string, workspaceId?: string): void;
    saveUserMessage(threadId: string, text: string, opts?: {
        platform?: string;
        model?: string;
    }): {
        firstMessage: boolean;
    };
    saveAssistantMessage(threadId: string, text: string, opts?: {
        platform?: string;
        model?: string;
        inputTokens?: number;
        outputTokens?: number;
        cachedInputTokens?: number;
    }): void;
    updateThread(threadId: string, patch: {
        title?: string;
        titleLocked?: boolean;
    }): void;
    togglePin(threadId: string, workspaceId?: string): {
        pinned: boolean;
    } | null;
    reorderPins(threadIds: string[], workspaceId?: string): void;
    toggleStar(threadId: string, workspaceId?: string): {
        starred: boolean;
    } | null;
}