export declare function is_valid_mimetype(file_accept: string | string[] | null, uploaded_file_name: string, uploaded_file_type: string): boolean;
export declare function to_accept_attribute(file_accept: string | string[] | null): string | undefined;
interface DragActionOptions {
    disable_click?: boolean;
    ignore_click_selector?: string;
    accepted_types?: string | string[] | null;
    mode?: "single" | "multiple" | "directory";
    on_drag_change?: (dragging: boolean) => void;
    on_files?: (files: File[]) => void;
}
type ActionReturn = {
    update: (new_options: DragActionOptions) => void;
    destroy: () => void;
};
export declare function create_drag(): {
    drag: (node: HTMLElement, options: DragActionOptions) => ActionReturn;
    open_file_upload: () => void;
};
export {};