export declare class RouterEventTopics {
    private readonly eventName;
    private readonly firstTokenID;
    private readonly secondTokenID;
    private caller;
    private readonly epoch;
    constructor(rawTopics: string[]);
    toJSON(): {
        eventName: string;
        firstTokenID: string;
        secondTokenID: string;
        caller: string;
        epoch: number;
    };
}