import { ElementRef, QueryList, OnInit, OnChanges, SimpleChanges, AfterViewInit, ChangeDetectorRef, AfterViewChecked, OnDestroy } from "@angular/core";
export declare type AccordionIconRotation = "deg-180" | "deg-180-counter" | "deg-90" | "deg-90-counter";
export declare type AccordionContentType = AccordionContent | Array<AccordionContent> | string;
export declare type AccordionContent = {
    title?: string;
    desc?: string;
};
export interface AccrodionListItem {
    header: string;
    subHeaderText?: string;
    content?: AccordionContentType;
}
export interface AccordionProps {
    className?: string;
    customIcon?: string;
    customIconExpanded?: string;
    iconPosition?: "left" | "right";
    iconRotation?: AccordionIconRotation;
    id?: string;
    list: Array<AccrodionListItem>;
    alternative?: boolean;
    activeIndex?: number;
}
/** Accordions show and hide information that is not necessary at all time with one click. */
export declare class AccordionComponent implements OnInit, OnChanges, AfterViewInit, AfterViewChecked, OnDestroy {
    private changeDetector;
    /** Element class name */
    className?: string;
    /** Custom accordion toggle icon */
    customIcon?: string;
    /** Custom accordion toggle icon when expanded */
    customIconExpanded?: string;
    /** Accordion toggle icon position */
    iconPosition?: "left" | "right";
    /** Accordion toggle icon rotation angle */
    iconRotation?: AccordionIconRotation;
    /** Element ID */
    id?: string;
    /** List of accordion items to render */
    list: Array<AccrodionListItem>;
    /** Alternative accordion design, rendered headers as links */
    alternative?: boolean;
    /** The index of the default expanded accordion */
    activeIndex?: number;
    accordionItemRefs: QueryList<ElementRef>;
    idList: Array<string>;
    accordionClassName: string;
    itemClassName: string;
    active: number;
    private aacordionRefSubscription;
    heightList: Array<number>;
    constructor(changeDetector: ChangeDetectorRef);
    /** helper functions */
    constructIds(): void;
    /** Constructs the `className` to be used in accordion wrapper */
    constructClassName(): void;
    /** Constructs the `className` to be used in accordion items */
    constructItemClassName(): void;
    expandOrCollapseSection(itemIndex: number): void;
    toggle(index: number): void;
    contentIsOfTypeArray(content: AccordionContentType): boolean;
    contentTypeElementRef(content: AccordionContentType): boolean;
    /**
     * Handles accordion item click event
     * @param e MouseEvent
     * @param index list index
     */
    onToggle(e: KeyboardEvent | MouseEvent): void;
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngAfterViewChecked(): void;
    ngOnDestroy(): void;
    ngOnChanges(changes: SimpleChanges): void;
}