import { Logger } from '@n8n/backend-common';
import { AgentExecutionThread } from './entities/agent-execution-thread.entity';
import { AgentExecution } from './entities/agent-execution.entity';
import type { MessageRecord } from './execution-recorder';
import { N8nMemory } from './integrations/n8n-memory';
import { AgentExecutionThreadRepository } from './repositories/agent-execution-thread.repository';
import type { AgentExecutionThreadMetadata } from './repositories/agent-execution-thread.repository';
import { AgentExecutionRepository } from './repositories/agent-execution.repository';
export interface RecordMessageParams {
    threadId: string;
    agentId: string;
    agentName: string;
    projectId: string;
    userMessage: string;
    record: MessageRecord;
    hitlStatus?: 'suspended' | 'resumed';
    source?: string;
    threadMetadata?: AgentExecutionThreadMetadata;
    taskId?: string;
    taskVersionId?: string;
}
export interface ThreadDetail {
    thread: AgentExecutionThread;
    executions: AgentExecution[];
}
export interface ThreadListItem extends AgentExecutionThread {
    firstMessage: string | null;
}
export declare class AgentExecutionService {
    private readonly logger;
    private readonly agentExecutionRepository;
    private readonly agentExecutionThreadRepository;
    private readonly n8nMemory;
    constructor(logger: Logger, agentExecutionRepository: AgentExecutionRepository, agentExecutionThreadRepository: AgentExecutionThreadRepository, n8nMemory: N8nMemory);
    recordMessage(params: RecordMessageParams): Promise<string>;
    private backfillSuspendedExecutions;
    private syncTitleFromMemory;
    deleteThread(projectId: string, threadId: string): Promise<boolean>;
    getThreads(projectId: string, limit: number, cursor?: string, agentId?: string): Promise<{
        threads: ThreadListItem[];
        nextCursor: string | null;
    }>;
    getThreadDetail(threadId: string, projectId: string, agentId?: string): Promise<ThreadDetail | null>;
    findThreadById(threadId: string): Promise<AgentExecutionThread | null>;
}
export declare function threadBelongsTo(thread: AgentExecutionThread, projectId: string, agentId?: string): boolean;