/**
 * Creates an event emitter, that can dispatch CustomEvent instances for the given
 * element with the specified event name.
 * Event options default to bubbles, cancelable and composed set to true.
 */
export declare class EventEmitter<T = any> {
    private _element;
    private _eventName;
    private _options;
    constructor(_element: HTMLElement, _eventName: string, _options?: {
        bubbles?: boolean;
        cancelable?: boolean;
        composed?: boolean;
    });
    /**
     * Dispatches an event.
     * @param detail The detail to dispatch with the event.
     * @returns true when the event was successfully emitted or false,
     *  if preventDefault() was called. Always returns true in SSR.
     */
    emit(detail?: T): boolean;
}
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