@ionic/core/dist/types/components/tab-bar/tab-bar-interface.d.ts

export declare type TabButtonLayout = 'icon-top' | 'icon-start' | 'icon-end' | 'icon-bottom' | 'icon-hide' | 'label-hide';
export interface TabBarChangedEventDetail {
  tab?: string;
}
export interface TabButtonClickEventDetail {
  tab: string;
  selected: boolean;
  href?: string;
}