export declare class DdaAttachFile { label: string; helper_text: string; error_message: string; size?: string; validation_type?: string; input_type?: string; file: File | null; custom_class?: string; component_mode?: string; aria_label?: string; button_aria_label?: string; input_id: string; button_id: string; private fileIcons; handleFileInput(event: any): void; removeFile(): void; getFileIcon(fileName: string): any; render(): any; }