import { EventEmitter } from '../../stencil-public-runtime';
import { PopoverDismissMode, PopoverVertical, PopoverHorizontal } from './exports';
import { PopoverTriggerAction } from '../popover-trigger/exports';
/**
 * A floating contextual overlay anchored to a trigger element, with headline, body content, and action slots. Supports auto or manual dismiss.
 *
 * Example
 * ```
 * <r-popover>
 *   <r-popover-trigger>
 *     <r-icon-button name="info" label="More information"></r-icon-button>
 *   </r-popover-trigger>
 *   <r-popover-headlineMore details</r-popover-headline>
 *   <r-popover-content>Here is some additional information about this topic.</r-popover-content>
 *   <r-popover-action>
 *     <r-button variant="primary">Got it</r-button>
 *   </r-popover-action>
 * </r-popover>
 * ```
 *
 * @slot trigger - The element that triggers the popover (use `r-popover-trigger`)
 * @slot headline - Headline content inside the popover (use `r-popover-headline`)
 * @slot content - Body content of the popover (use `r-popover-content`)
 * @slot action - Action buttons inside the popover (use `r-popover-action`)
 */
export declare class Popover {
    host: HTMLRPopoverElement;
    /**
     * Defines initial state of the popover visibility.
     * @default false
     */
    open?: boolean;
    /**
     * Defines the behavior of the popover's dismissing.
     * - `auto`: The popover can be dismissed by clicking outside or pressing Esc.
     * - `manual`: The popover requires explicit user action to close.
     * @default "auto"
     */
    dismissMode: PopoverDismissMode;
    /**
     * Defines `aria-label` content for the dismiss button.
     * Used for accessibility when dismiss button is present.
     */
    dismissAriaLabel?: string;
    /**
     * Defines the action that will be triggered when the trigger is clicked.
     * - `toggle`: Toggle the popover open/closed state
     * - `show`: Only show the popover
     * - `hide`: Only hide the popover
     * @default "toggle"
     */
    triggerAction: PopoverTriggerAction;
    /**
     * Defines `aria-label` content for the popover trigger.
     * Used for accessibility to describe the trigger button.
     */
    triggerAriaLabel?: string;
    /**
     * Defines preferred placement vertically relative to the trigger.
     * - `top`: Position above the trigger
     * - `bottom`: Position below the trigger
     * - `middle`: Position to the side of the trigger
     * @default "bottom"
     */
    vertical: PopoverVertical;
    /**
     * Defines preferred placement horizontally relative to the trigger.
     * - `left`: Align to the left of the trigger
     * - `center`: Center align with the trigger
     * - `right`: Align to the right of the trigger
     * @default "center"
     */
    horizontal: PopoverHorizontal;
    /** The current state of the popover's position  */
    positionState: any;
    /** Indicates if popover is shown */
    isOpen: boolean;
    /** Emits when open state changes */
    popoverOpenChange: EventEmitter<{
        open: boolean;
    }>;
    /** Emits when popover is hidden */
    hidePopover: EventEmitter<void>;
    /** Emits when popover is shown */
    showPopover: EventEmitter<void>;
    /** Emits when popover focus is set */
    focusPopover: EventEmitter<void>;
    /**
     * Method to show the popover.
     * Opens the popover, positions it correctly, and sets focus to appropriate element.
     * @returns Promise that resolves when the popover is shown
     */
    show(): Promise<void>;
    /**
     * Method to hide the popover.
     * Closes the popover and emits hide event.
     * @returns Promise that resolves when the popover is hidden
     */
    hide(): Promise<void>;
    /**
     * Toggle popover visibility.
     * Shows the popover if hidden, hides it if shown.
     * @returns Promise that resolves when the toggle action is complete
     */
    toggle(): Promise<void>;
    /**
     * Set focus inside the popover to the most appropriate element.
     * Priority order:
     * 1. Dismiss button (if present)
     * 2. Action element (if present)
     * 3. Content element (if present)
     * 4. Host element as fallback
     * @returns Promise that resolves to the popover instance for chaining
     */
    setFocus(): Promise<this>;
    private _getFocusable;
    private _focusOnElement;
    /**
     * Remove focus from all focusable elements within the popover.
     * Calls setBlur on all child components and the host element.
     * @returns Promise that resolves to the popover instance for chaining
     */
    setBlur(): Promise<this>;
    handleOpenChange(): void;
    watchOpen(): void;
    handlePreferredPositionChange(): void;
    onKeyup(event: any): this;
    onResize(): void;
    onScroll(): void;
    private get hasDismiss();
    private get triggerRect();
    private get boardRect();
    get activeElement(): Element;
    private get headlineSlotContent();
    private readonly uniqueId;
    private triggerElement;
    private dismissElement;
    private boardElement;
    /**
     * Gets the actual interactive element (button/link) from within r-button or r-icon-button shadow DOM,
     * or returns the element itself if it's already interactive
     */
    private getInteractiveElement;
    /** Position logic */
    private renderPosition;
    private onToggle;
    private onClickDismiss;
    private setTriggerInitialAttributes;
    private updateTriggerAttributes;
    componentDidLoad(): void;
    private onKeyDown;
    render(): any;
}