import { OnInit, EventEmitter, OnChanges, ChangeDetectorRef } from '@angular/core';
export declare class Counter2Component implements OnInit, OnChanges {
    private _changeDetectorRef;
    _counter: number;
    counter: number;
    counterEmitter: EventEmitter<number>;
    constructor(_changeDetectorRef: ChangeDetectorRef);
    ngOnInit(): void;
    ngOnChanges(): void;
    increase(): void;
    descrease(): void;
}