import { CSSResultGroup, PropertyDeclaration, PropertyValues, TemplateResult } from 'lit';
import { SbbElementType, SbbOpenCloseBaseElement, SbbOpenedClosedState } from '../../core.ts';
declare const SbbNavigationSectionElement_base: import('../../core.ts').AbstractConstructor<import('../../core.ts').SbbUpdateSchedulerMixinType> & typeof SbbOpenCloseBaseElement;
/**
 * It can be used as a container for `sbb-navigation-list` within a `sbb-navigation`.
 *
 * @slot - Use the unnamed slot to add content into the `sbb-navigation-section`.
 */
export declare class SbbNavigationSectionElement extends SbbNavigationSectionElement_base {
    static readonly elementName: string;
    static elementDependencies: SbbElementType[];
    static styles: CSSResultGroup;
    /**
     * The label to be shown before the action list.
     */
    accessor titleContent: string;
    /**
     * The element that will trigger the navigation section.
     *
     * For attribute usage, provide an id reference.
     */
    accessor trigger: HTMLElement | null;
    /**
     * This will be forwarded as aria-label to the nav element and is read as a title of the navigation-section.
     */
    accessor accessibilityLabel: string;
    /**
     * This will be forwarded as aria-label to the back button element.
     */
    accessor accessibilityBackLabel: string;
    /** The state of the component. */
    protected set state(state: SbbOpenedClosedState);
    protected get state(): SbbOpenedClosedState;
    private _firstLevelNavigation?;
    private _triggerElement;
    private _triggerAbortController;
    private _windowEventsController;
    private _language;
    private _focusTrapController;
    private _lastKeydownEvent;
    private _mediaMatcherController;
    constructor();
    /**
     * Opens the navigation section on trigger click.
     */
    open(): void;
    private _isZeroAnimationDuration;
    private _handleOpening;
    private _handleClosing;
    private _closePreviousNavigationSection;
    /**
     * Closes the navigation section.
     */
    close(): void;
    private _configureTrigger;
    private _isNavigationButton;
    private _setNavigationInert;
    private _onAnimationEnd;
    private _resetLists;
    private _attachWindowEvents;
    private _handleNavigationSectionClose;
    private _isBelowLarge;
    private _onKeydownEvent;
    private _checkActiveAction;
    connectedCallback(): void;
    disconnectedCallback(): void;
    requestUpdate(name?: PropertyKey, oldValue?: unknown, options?: PropertyDeclaration): void;
    protected firstUpdated(changedProperties: PropertyValues<this>): void;
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-navigation-section': SbbNavigationSectionElement;
    }
}
export {};
//# sourceMappingURL=navigation-section.component.d.ts.map