import { OnDestroy, OnInit, EventEmitter } from "@angular/core";
import { BHPAccordionComponent } from "./accordion.component";
/**
 * ### BHPAccordion heading
 * Instead of using `heading` attribute on the `accordion-group`, you can use
 * an `accordion-heading` attribute on `any` element inside of a group that
 * will be used as group's header template.
 */
export declare class BHPAccordionPanelComponent implements OnInit, OnDestroy {
    /** Clickable text in accordion's group header, check `accordion heading` below for using html in header */
    heading: string;
    hasArrow: boolean;
    panelClass: string;
    /** if <code>true</code> — disables accordion group */
    isDisabled: boolean;
    /** Emits when the opened state changes */
    isOpenChange: EventEmitter<boolean>;
    isOpen: boolean;
    protected _isOpen: boolean;
    protected accordion: BHPAccordionComponent;
    constructor(accordion: BHPAccordionComponent);
    ngOnInit(): any;
    ngOnDestroy(): any;
    toggleOpen(event: Event): any;
}