import { CSSResultGroup, PropertyDeclaration, PropertyValues, TemplateResult } from 'lit';
import { SbbOpenCloseBaseElement } from '../core/base-elements.ts';
export declare abstract class SbbPopoverBaseElement extends SbbOpenCloseBaseElement {
    static styles: CSSResultGroup;
    /**
     * The element that will trigger the popover overlay.
     *
     * For attribute usage, provide an id reference.
     */
    accessor trigger: HTMLElement | null;
    private _nextFocusedElement?;
    private _skipCloseFocus;
    private _popoverCloseElement?;
    private _isPointerDownEventOnPopover?;
    private _triggerElement?;
    private _triggerAbortController?;
    private _openStateController?;
    private _resizeController;
    private _escapableOverlayController;
    private _focusTrapController;
    private _blurTimeout;
    protected closeTimeout?: ReturnType<typeof setTimeout>;
    protected overlay?: HTMLDivElement;
    /** Opens the popover on trigger click. */
    open(): void;
    /** Closes the popover. */
    close(target?: HTMLElement): void;
    private _isZeroAnimationDuration;
    private _handleClosing;
    private _handleOpening;
    connectedCallback(): void;
    requestUpdate(name?: PropertyKey, oldValue?: unknown, options?: PropertyDeclaration): void;
    protected firstUpdated(changedProperties: PropertyValues<this>): void;
    disconnectedCallback(): void;
    private _configureTrigger;
    protected configureTrigger(_oldTrigger: HTMLElement | null): void;
    protected registerTriggerListeners(signal: AbortSignal): void;
    private _attachWindowEvents;
    private _closeOnSbbPopoverCloseClick;
    private _pointerDownListener;
    private _closeOnBackdropClick;
    private _onPopoverAnimationEnd;
    private _setPopoverFocus;
    private _setPopoverPosition;
    protected abstract renderContent(): TemplateResult;
    protected dispatchBeforeCloseEvent(detail?: {
        closeTarget: HTMLElement | null;
    }): boolean;
    protected dispatchCloseEvent(detail?: {
        closeTarget: HTMLElement | null;
    }): boolean;
    protected render(): TemplateResult;
}
/**
 * It displays contextual information within a popover.
 *
 * @slot - Use the unnamed slot to add content into the popover.
 * @cssprop [--sbb-popover-z-index=var(--sbb-overlay-default-z-index)] - To specify a custom stack order,
 * the `z-index` can be overridden by defining this CSS variable. The default `z-index` of the
 * component is set to `var(--sbb-overlay-default-z-index)` with a value of `1000`.
 */
export declare class SbbPopoverElement extends SbbPopoverBaseElement {
    static readonly elementName: string;
    /** Whether the close button should be hidden. */
    accessor hideCloseButton: boolean;
    /** Whether the popover should be triggered on hover. */
    accessor hoverTrigger: boolean;
    /**
     * Open the popover after a given delay in milliseconds.
     * Global configuration is used as default, if not set.
     *
     * @default 0
     */
    set openDelay(value: number);
    get openDelay(): number;
    private _openDelay?;
    /**
     * Close the popover after a given delay in milliseconds.
     * Global configuration is used as default, if not set.
     *
     * @default 0
     */
    set closeDelay(value: number);
    get closeDelay(): number;
    private _closeDelay?;
    /** This will be forwarded as aria-label to the close button element. */
    accessor accessibilityCloseLabel: string;
    private _hoverTrigger;
    private _openTimeout?;
    private _language;
    private _overlayAbortController;
    protected configureTrigger(oldTrigger: HTMLElement | null): void;
    private _registerOverlayListeners;
    protected registerTriggerListeners(signal: AbortSignal): void;
    protected firstUpdated(changedProperties: PropertyValues<this>): void;
    open(): void;
    close(): void;
    private _onTriggerMouseEnter;
    private _onTriggerMouseLeave;
    private _onOverlayMouseEnter;
    private _onOverlayMouseLeave;
    protected renderContent(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-popover': SbbPopoverElement;
    }
}
//# sourceMappingURL=popover.component.d.ts.map