/**
 * useFileUpload Hook
 *
 * Provides file upload functionality with progress tracking and state management.
 * Handles the complete upload flow: initiate → upload to storage → complete.
 */
import type { AgUiClient, AttachmentDoc, Id } from '../types';
import { type UploadProgress } from '../services/uploadToPresignedUrl';
export interface UseFileUploadConfig {
    client: AgUiClient;
    conversationId?: string;
    fileUploadApiUrl: string;
    getAuthHeaders?: () => Promise<Record<string, string>> | Record<string, string>;
    onProgress?: (fileId: Id, progress: UploadProgress) => void;
    onComplete?: (attachment: AttachmentDoc) => void;
    onError?: (fileId: Id, error: Error) => void;
}
export interface FileUploadState {
    fileId: Id;
    file: File;
    progress: UploadProgress;
    status: 'pending' | 'uploading' | 'completed' | 'failed';
    error?: Error;
    contentId?: string;
}
/**
 * Hook for uploading files to external storage service
 */
export declare function useFileUpload(config: UseFileUploadConfig): {
    uploads: import("solid-js").Accessor<Record<string, FileUploadState>>;
    uploadFile: (file: File) => Promise<Id>;
    uploadFiles: (files: File[]) => Promise<Id[]>;
    cancelUpload: (fileId: Id) => void;
    clearUploads: () => void;
};
//# sourceMappingURL=useFileUpload.d.ts.map