/**
 * Storage and file upload tools
 */
export interface UploadResult {
    url: string;
    content_type: string;
    size: number;
    upload_id?: string;
    [key: string]: any;
}
/**
 * Upload a file to fal.ai CDN for use with models
 * Uses the two-step upload process: initiate then upload
 */
export declare function uploadFile(filePath: string, contentType?: string): Promise<UploadResult>;
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