import { AfterViewChecked, ChangeDetectorRef, ElementRef } from '@angular/core';
import { BxCollapseComponent } from './collapse.component';
export declare class BxCollapseItemComponent implements AfterViewChecked {
    private collapse;
    private _changeDetectionRef;
    title: string;
    isVisible: boolean;
    private _height;
    element: ElementRef;
    readonly height: number;
    constructor(collapse: BxCollapseComponent, _changeDetectionRef: ChangeDetectorRef);
    ngAfterViewChecked(): void;
    resetHeight(): void;
    toggle(): void;
}