import { EventEmitter, OnChanges, OnDestroy, SimpleChanges, AfterContentInit, QueryList } from "@angular/core";
import { SlickAccordionItemComponent } from "./slick-accordion-item.component";
import * as i0 from "@angular/core";
export declare class SlickAccordionComponent implements OnChanges, AfterContentInit, OnDestroy {
    accordionIndex: number;
    accordionIndexChange: EventEmitter<number>;
    keepExpanded: boolean;
    onChange: EventEmitter<number>;
    slickAccordionItems: QueryList<SlickAccordionItemComponent>;
    private slickAccordionItems$;
    constructor();
    ngAfterContentInit(): Promise<void>;
    ngOnDestroy(): void;
    ngOnChanges(changes: SimpleChanges): Promise<void>;
    expand(index: number): void;
    collapse(index: number): void;
    getKey(index: number): string;
    getIndexByKey(key: string): number;
    collapseAll(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SlickAccordionComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SlickAccordionComponent, "slick-accordion", never, { "accordionIndex": { "alias": "accordionIndex"; "required": false; }; "keepExpanded": { "alias": "keepExpanded"; "required": false; }; }, { "accordionIndexChange": "accordionIndexChange"; "onChange": "onChange"; }, ["slickAccordionItems"], ["slick-accordion-item"], false, never>;
}