/**
 *
 * Usage:
 *
 * ```tsx
 * const myEmitter = new EventEmitter();
 *
 * // Register a listener for the 'update' event
 * myEmitter.on('update', data => {
 *   console.log(`An update event was emitted with data: ${data}`);
 * });
 *
 * // Emit the 'update' event with some data
 * myEmitter.emit('update', 'This is the emitted data.');
 *
 * // Remove the listener
 * myEmitter.off('update', listener);
 * ```
 */
export interface Listeners {
    [event: string]: ((data?: any) => void)[];
}
export declare class EventEmitter {
    private listeners;
    constructor();
    on(event: string, listener: (data?: any) => void): () => void;
    off(event: string, listenerToRemove: (data?: any) => void): void;
    emit(event: string, data?: any): void;
}