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

export declare type SegmentButtonLayout = 'icon-top' | 'icon-start' | 'icon-end' | 'icon-bottom' | 'icon-hide' | 'label-hide';
export interface SegmentChangeEventDetail {
  value?: string;
}
export interface SegmentCustomEvent extends CustomEvent {
  detail: SegmentChangeEventDetail;
  target: HTMLIonSegmentElement;
}