import type { Attachment, Comment } from '../types/comments/index.js';
import type { FileResponse } from '../types/http.js';
import type { DeleteUploadArgs, UploadFileArgs } from '../types/uploads/index.js';
import { BaseClient } from './base-client.js';
/**
 * Internal sub-client handling upload + attachment endpoints
 * (file upload, upload delete, attachment view).
 *
 * Instantiated by `TodoistApi`; every public upload method on
 * `TodoistApi` delegates here. See `todoist-api.ts` for user-facing
 * JSDoc.
 */
export declare class UploadClient extends BaseClient {
    uploadFile(args: UploadFileArgs, requestId?: string): Promise<Attachment>;
    deleteUpload(args: DeleteUploadArgs, requestId?: string): Promise<boolean>;
    viewAttachment(commentOrUrl: Comment | string): Promise<FileResponse>;
}