export interface HistoryState { index: number; href: string; token?: string; title: string; majorStateId?: string; category?: string; [additionalInfo: string]: any; } export interface HistoryStateUpdate { token?: string; title?: string; majorStateId?: string; category?: string; [additionalInfo: string]: any; } export declare class HistoryChangeEvent extends CustomEvent<{ currentItem: HistoryState; }> { static eventName: string; constructor(currentItem: HistoryState); }