import { EventEmitter, OnInit, OnDestroy } from '@angular/core';
import { BllExpandComponent } from './bll-expand.component';
/** MatExpansionPanel's states. */
export declare type BllExpansionPanelState = 'expanded' | 'collapsed';
export declare class BllExpandPanelComponent implements OnInit, OnDestroy {
    protected expand: BllExpandComponent;
    _isOpen: boolean;
    _firstOpened: boolean;
    isOpenChange: EventEmitter<boolean>;
    firstOpen: EventEmitter<boolean>;
    afterExpand: EventEmitter<any>;
    afterCollapsed: EventEmitter<any>;
    get isOpen(): boolean;
    set isOpen(value: boolean);
    set noDisabledClass(value: any);
    get noDisabledClass(): any;
    private _noDisabledClass;
    /**
     * Whether the accordion panel is disabled.
     */
    get disabled(): any;
    set disabled(value: any);
    private _disabled;
    constructor(expand: BllExpandComponent);
    readonly headerId: string;
    readonly itemId: string;
    ngOnInit(): void;
    ngOnDestroy(): void;
    toggle(): void;
    /** Gets the expanded state string. */
    _getExpandedState(): BllExpansionPanelState;
    _bodyAnimationDone(event: any): void;
}