export declare let NgMediaTranslationsEn: {
    download: string;
    file_name: string;
    file_type: string;
    uploaded_on: string;
    upload_image: string;
    description: string;
    update: string;
    delete: string;
    drop_files: string;
    drag_files_to_upload: string;
    or: string;
    select_files: string;
    allowed_file_types: string;
    delete_confirmation: string;
};
export declare function ngdTranslate(key: string, params?: any): any;
export declare function setTranslationKeys(keys: any): void;
export declare function getTranslationKey(key: any): any;