import { PopoverOptions, PopoverTriggerType, PopoverTriggerEventTypes } from './types';
import type { Instance as PopperInstance } from '@popperjs/core';
export declare interface PopoverInterface {
    _targetEl: HTMLElement | null;
    _triggerEl: HTMLElement | null;
    _options: PopoverOptions;
    _popperInstance: PopperInstance;
    _clickOutsideEventListener: EventListenerOrEventListenerObject;
    _setupEventListeners(): void;
    _setupClickOutsideListener(): void;
    _removeClickOutsideListener(): void;
    _handleClickOutside(ev: Event, targetEl: HTMLElement): void;
    _getTriggerEvents(triggerType: PopoverTriggerType): PopoverTriggerEventTypes;
    isVisible(): boolean;
    show(): void;
    hide(): void;
    toggle(): void;
}
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