import { ChangeDetectorRef, OnInit, OnDestroy } from '@angular/core';
import { NbAccordionItemComponent } from './accordion-item.component';
export declare class NbAccordionItemBodyComponent implements OnInit, OnDestroy {
    private accordionItem;
    private cd;
    private alive;
    constructor(accordionItem: NbAccordionItemComponent, cd: ChangeDetectorRef);
    readonly state: string;
    ngOnInit(): void;
    ngOnDestroy(): void;
}