import { TraceloopClient } from "../traceloop-client";
import { Attachment, ExternalAttachment, AttachmentReference, FileCellType, AttachmentMetadata } from "./attachment";
/**
 * Response from the upload URL endpoint
 */
export interface UploadUrlResponse {
    uploadUrl: string;
    storageKey: string;
    expiresAt?: string;
    method?: string;
}
/**
 * Handles attachment upload and registration operations
 */
export declare class AttachmentUploader {
    private client;
    constructor(client: TraceloopClient);
    /**
     * Requests a presigned upload URL from the API
     */
    getUploadUrl(datasetSlug: string, rowId: string, columnSlug: string, fileName: string, contentType: string, fileType: FileCellType, metadata?: AttachmentMetadata): Promise<UploadUrlResponse>;
    /**
     * Uploads file data directly to S3 using the presigned URL
     */
    uploadToS3(uploadUrl: string, data: Buffer, contentType: string): Promise<void>;
    /**
     * Confirms the upload status with the API
     */
    confirmUpload(datasetSlug: string, rowId: string, columnSlug: string, status: "success" | "failed", metadata?: AttachmentMetadata): Promise<void>;
    /**
     * Registers an external URL as an attachment
     */
    registerExternalUrl(datasetSlug: string, rowId: string, columnSlug: string, url: string, fileType: FileCellType, metadata?: AttachmentMetadata): Promise<AttachmentReference>;
    /**
     * Uploads an Attachment through the full flow:
     * 1. Get presigned URL
     * 2. Upload to S3
     * 3. Confirm upload
     */
    uploadAttachment(datasetSlug: string, rowId: string, columnSlug: string, attachment: Attachment): Promise<AttachmentReference>;
    /**
     * Processes an ExternalAttachment by registering the URL
     */
    processExternalAttachment(datasetSlug: string, rowId: string, columnSlug: string, attachment: ExternalAttachment): Promise<AttachmentReference>;
    /**
     * Processes any attachment type (Attachment or ExternalAttachment)
     */
    processAnyAttachment(datasetSlug: string, rowId: string, columnSlug: string, attachmentObj: Attachment | ExternalAttachment): Promise<AttachmentReference>;
}
//# sourceMappingURL=attachment-uploader.d.ts.map