import { ChildProperty } from '@syncfusion/ej2-base';
import { RibbonGalleryItemModel } from './ribbon-gallery-item-model';
/**
 * Defines the ribbon gallery group.
 */
export declare class RibbonGalleryGroup extends ChildProperty<RibbonGalleryGroup> {
    /**
     * Defines the properties for collection of gallery items in Ribbon.
     *
     * @default []
     * @aspType List<RibbonGalleryItem>
     */
    items: RibbonGalleryItemModel[];
    /**
     * Defines the header for the group items present in Ribbon Gallery popup.
     *
     * @default ''
     */
    header: string;
    /**
     * Defines the width of the gallery items.
     *
     * @default 'auto'
     */
    itemWidth: string;
    /**
     * Defines the height of the gallery item.
     *
     * @default 'auto'
     */
    itemHeight: string;
    /**
     * Defines the CSS class to customize the gallery groups.
     *
     * @default ''
     */
    cssClass: string;
}