import { EventBus } from '../types';
export declare class SimpleEventBus implements EventBus {
    private handlers;
    emit<T = any>(event: string, data: T): void;
    on<T = any>(event: string, handler: (data: T) => void): void;
    off(event: string, handler: Function): void;
    clear(): void;
    getEventNames(): string[];
    getHandlerCount(event: string): number;
}
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