export type EventType = 'snapshot:updated' | 'event:liq_cascade' | 'event:wall_break' | 'event:spread_extreme' | 'signal:generated' | 'intent:created' | 'order:submitted' | 'order:filled' | 'engine:tick' | 'engine:stop';
declare class TypedEventBus {
    private emitter;
    constructor();
    on(event: EventType, handler: (...args: unknown[]) => void): void;
    off(event: EventType, handler: (...args: unknown[]) => void): void;
    emit(event: EventType, ...args: unknown[]): void;
    once(event: EventType, handler: (...args: unknown[]) => void): void;
}
export declare const eventBus: TypedEventBus;
export {};
//# sourceMappingURL=event-bus.d.ts.map