import { AfterContentInit, ChangeDetectorRef, ElementRef, EventEmitter, OnDestroy, QueryList, TemplateRef } from '@angular/core';
import { BlockableUI, Header, PrimeTemplate } from 'primeng/api';
import { Subscription } from 'rxjs';
import { AccordionTabCloseEvent, AccordionTabOpenEvent } from './accordion.interface';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
import * as i2 from "primeng/icons/chevronright";
import * as i3 from "primeng/icons/chevrondown";
import * as i4 from "primeng/api";
/**
 * AccordionTab is a helper component for Accordion.
 * @group Components
 */
export declare class AccordionTab implements AfterContentInit, OnDestroy {
    el: ElementRef;
    changeDetector: ChangeDetectorRef;
    /**
     * Current id state as a string.
     * @group Props
     */
    id: string | undefined;
    /**
     * Used to define the header of the tab.
     * @group Props
     */
    header: string | undefined;
    /**
     * Inline style of the tab header.
     * @group Props
     */
    headerStyle: {
        [klass: string]: any;
    } | null | undefined;
    /**
     * Inline style of the tab.
     * @group Props
     */
    tabStyle: {
        [klass: string]: any;
    } | null | undefined;
    /**
     * Inline style of the tab content.
     * @group Props
     */
    contentStyle: {
        [klass: string]: any;
    } | null | undefined;
    /**
     * Style class of the tab.
     * @group Props
     */
    tabStyleClass: string | undefined;
    /**
     * Style class of the tab header.
     * @group Props
     */
    headerStyleClass: string | undefined;
    /**
     * Style class of the tab content.
     * @group Props
     */
    contentStyleClass: string | undefined;
    /**
     * Whether the tab is disabled.
     * @group Props
     */
    disabled: boolean | undefined;
    /**
     * Whether a lazy loaded panel should avoid getting loaded again on reselection.
     * @group Props
     */
    cache: boolean;
    /**
     * Transition options of the animation.
     * @group Props
     */
    transitionOptions: string;
    /**
     * Position of the icon.
     * @group Props
     */
    iconPos: 'end' | 'start';
    /**
     * The value that returns the selection.
     * @group Props
     */
    get selected(): boolean;
    set selected(val: boolean);
    /**
     * The aria-level that each accordion header will have. The default value is 2 as per W3C specifications
     * @group Props
     */
    headerAriaLevel: number;
    /**
     * Event triggered by changing the choice.
     * @param {boolean} value - Boolean value indicates that the option is changed.
     * @group Emits
     */
    selectedChange: EventEmitter<boolean>;
    headerFacet: QueryList<Header>;
    templates: QueryList<PrimeTemplate>;
    private _selected;
    get iconClass(): "p-accordion-toggle-icon-end" | "p-accordion-toggle-icon";
    contentTemplate: TemplateRef<any> | undefined;
    headerTemplate: TemplateRef<any> | undefined;
    iconTemplate: TemplateRef<any> | undefined;
    loaded: boolean;
    accordion: Accordion;
    constructor(accordion: Accordion, el: ElementRef, changeDetector: ChangeDetectorRef);
    ngAfterContentInit(): void;
    toggle(event?: MouseEvent | KeyboardEvent): boolean;
    findTabIndex(): number;
    get hasHeaderFacet(): boolean;
    onKeydown(event: KeyboardEvent): void;
    getTabHeaderActionId(tabId: any): string;
    getTabContentId(tabId: any): string;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AccordionTab, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<AccordionTab, "p-accordionTab", never, { "id": { "alias": "id"; "required": false; }; "header": { "alias": "header"; "required": false; }; "headerStyle": { "alias": "headerStyle"; "required": false; }; "tabStyle": { "alias": "tabStyle"; "required": false; }; "contentStyle": { "alias": "contentStyle"; "required": false; }; "tabStyleClass": { "alias": "tabStyleClass"; "required": false; }; "headerStyleClass": { "alias": "headerStyleClass"; "required": false; }; "contentStyleClass": { "alias": "contentStyleClass"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "cache": { "alias": "cache"; "required": false; }; "transitionOptions": { "alias": "transitionOptions"; "required": false; }; "iconPos": { "alias": "iconPos"; "required": false; }; "selected": { "alias": "selected"; "required": false; }; "headerAriaLevel": { "alias": "headerAriaLevel"; "required": false; }; }, { "selectedChange": "selectedChange"; }, ["headerFacet", "templates"], ["p-header", "*"], false, never>;
}
/**
 * Accordion groups a collection of contents in tabs.
 * @group Components
 */
export declare class Accordion implements BlockableUI, AfterContentInit, OnDestroy {
    el: ElementRef;
    changeDetector: ChangeDetectorRef;
    /**
     * When enabled, multiple tabs can be activated at the same time.
     * @group Props
     */
    multiple: boolean;
    /**
     * Inline style of the tab header and content.
     * @group Props
     */
    style: {
        [klass: string]: any;
    } | null | undefined;
    /**
     * Class of the element.
     * @group Props
     */
    styleClass: string | undefined;
    /**
     * Icon of a collapsed tab.
     * @group Props
     */
    expandIcon: string | undefined;
    /**
     * Icon of an expanded tab.
     * @group Props
     */
    collapseIcon: string | undefined;
    /**
     * Index of the active tab or an array of indexes in multiple mode.
     * @group Props
     */
    get activeIndex(): number | number[] | null | undefined;
    set activeIndex(val: number | number[] | null | undefined);
    /**
     * When enabled, the focused tab is activated.
     * @group Props
     */
    selectOnFocus: boolean;
    /**
     * The aria-level that each accordion header will have. The default value is 2 as per W3C specifications
     * @group Props
     */
    get headerAriaLevel(): number;
    set headerAriaLevel(val: number);
    /**
     * Callback to invoke when an active tab is collapsed by clicking on the header.
     * @param {AccordionTabCloseEvent} event - Custom tab close event.
     * @group Emits
     */
    onClose: EventEmitter<AccordionTabCloseEvent>;
    /**
     * Callback to invoke when a tab gets expanded.
     * @param {AccordionTabOpenEvent} event - Custom tab open event.
     * @group Emits
     */
    onOpen: EventEmitter<AccordionTabOpenEvent>;
    /**
     * Returns the active index.
     * @param {number | number[]} value - New index.
     * @group Emits
     */
    activeIndexChange: EventEmitter<number | number[]>;
    tabList: QueryList<AccordionTab> | undefined;
    tabListSubscription: Subscription | null;
    private _activeIndex;
    private _headerAriaLevel;
    preventActiveIndexPropagation: boolean;
    tabs: AccordionTab[];
    constructor(el: ElementRef, changeDetector: ChangeDetectorRef);
    onKeydown(event: any): void;
    isInput(event: any): boolean;
    isTextArea(event: any): boolean;
    onTabArrowDownKey(event: any): void;
    onTabArrowUpKey(event: any): void;
    onTabHomeKey(event: any): void;
    changeFocusedTab(element: any): void;
    findNextHeaderAction(tabElement: any, selfCheck?: boolean): any;
    findPrevHeaderAction(tabElement: any, selfCheck?: boolean): any;
    findFirstHeaderAction(): any;
    findLastHeaderAction(): any;
    onTabEndKey(event: any): void;
    ngAfterContentInit(): void;
    initTabs(): void;
    getBlockableElement(): HTMLElement;
    updateSelectionState(): void;
    isTabActive(index: any): boolean;
    getTabProp(tab: any, name: any): any;
    updateActiveIndex(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<Accordion, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<Accordion, "p-accordion", never, { "multiple": { "alias": "multiple"; "required": false; }; "style": { "alias": "style"; "required": false; }; "styleClass": { "alias": "styleClass"; "required": false; }; "expandIcon": { "alias": "expandIcon"; "required": false; }; "collapseIcon": { "alias": "collapseIcon"; "required": false; }; "activeIndex": { "alias": "activeIndex"; "required": false; }; "selectOnFocus": { "alias": "selectOnFocus"; "required": false; }; "headerAriaLevel": { "alias": "headerAriaLevel"; "required": false; }; }, { "onClose": "onClose"; "onOpen": "onOpen"; "activeIndexChange": "activeIndexChange"; }, ["tabList"], ["*"], false, never>;
}
export declare class AccordionModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<AccordionModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<AccordionModule, [typeof Accordion, typeof AccordionTab], [typeof i1.CommonModule, typeof i2.ChevronRightIcon, typeof i3.ChevronDownIcon], [typeof Accordion, typeof AccordionTab, typeof i4.SharedModule]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<AccordionModule>;
}