import type { AgentFileDto } from '@n8n/api-types';
import { BinaryDataService } from 'n8n-core';
import { AgentFileRepository } from './repositories/agent-file.repository';
import { AgentRepository } from './repositories/agent.repository';
export interface KnowledgeWorkspaceFile {
    id: string;
    fileName: string;
    mimeType: string;
    fileSizeBytes: number;
    relativePath: string;
}
interface MaterializeWorkspaceOptions {
    fileReferences?: string[];
}
export declare class AgentKnowledgeService {
    private readonly agentRepository;
    private readonly agentFileRepository;
    private readonly binaryDataService;
    constructor(agentRepository: AgentRepository, agentFileRepository: AgentFileRepository, binaryDataService: BinaryDataService);
    uploadFiles(agentId: string, projectId: string, files: Express.Multer.File[]): Promise<AgentFileDto[]>;
    listFiles(agentId: string, projectId: string): Promise<AgentFileDto[]>;
    listWorkspaceFiles(agentId: string, projectId: string): Promise<KnowledgeWorkspaceFile[]>;
    deleteFile(agentId: string, projectId: string, fileId: string): Promise<void>;
    deleteAllFilesForAgent(agentId: string): Promise<void>;
    resolveWorkspaceFiles(agentId: string, projectId: string, fileReferences?: string[]): Promise<KnowledgeWorkspaceFile[]>;
    materializeWorkspace(agentId: string, projectId: string, workspaceRoot: string, options?: MaterializeWorkspaceOptions): Promise<KnowledgeWorkspaceFile[]>;
    private ensureAgentBelongsToProject;
    private storeFile;
    private toDto;
    private toWorkspaceFile;
    private assertWorkspaceWithinLimits;
    private filterFilesForWorkspace;
    private getWorkspaceRelativePath;
    private prepareStoredContent;
    private isPdf;
    private extractPdfText;
    private validateMetadataLength;
    private cleanupStoredFiles;
    private cleanupUploadTempFiles;
    private cleanupUploadTempFile;
}
export {};