import { SwirlPopover } from "../swirl-popover/swirl-popover";
/**
 * @slot slot - The trigger element (e.g. a button) that opens the popover.
 */
export declare class SwirlPopoverTrigger {
    el: HTMLSwirlPopoverTriggerElement;
    hidePopoverWhenInvisible?: boolean;
    parentScrollContainer?: HTMLElement;
    setAriaAttributes?: boolean;
    swirlPopover: string | HTMLSwirlPopoverElement | SwirlPopover;
    triggerOnClick?: boolean;
    triggerOnHover?: boolean;
    hoverLingerDuration?: number;
    hoverDelay?: number;
    private componentLoaded;
    private intersectionObserver;
    private hoverLingerReference?;
    private hoverDelayReference?;
    private popoverElRef?;
    private triggerIsActive;
    connectedCallback(): void;
    componentDidLoad(): void;
    disconnectedCallback(): void;
    watchPopover(): void;
    watchHover(): void;
    private getPopoverEl;
    private getTriggerEl;
    private setupIntersectionObserver;
    private onVisibilityChange;
    private setupHoverListeners;
    private removeHoverListeners;
    popoverMouseEnter: () => void;
    popoverMouseLeave: () => void;
    private onMouseenter;
    private mouseenterHandler;
    private onMouseleave;
    private mouseleaveHandler;
    private startHoverLingerTimer;
    private stopHoverLingerTimer;
    private onClick;
    private updateTriggerElAriaAttributes;
    private isPopoverOpen;
    render(): any;
}