import { EventEmitter } from '../../stencil-public-runtime';
import { ElementReference } from '../utils/element-reference';
import { InheritAriaAttributesMixinContract } from '../utils/internal/mixins/accessibility/inherit-aria-attributes.mixin';
import { ComponentIdMixinContract } from '../utils/internal/mixins/id.mixin';
import { PopoverCloseFocus, PopoverInterface } from './popover-controller';
declare const Popover_base: abstract new (...args: any[]) => {
    componentDidLoad(): void;
    disconnectedCallback(): void;
    hostElement?: import("@stencil/core/internal").HTMLStencilElement;
    connectedCallback?(): void;
    componentWillRender?(): Promise<void> | void;
    componentDidRender?(): void;
    componentWillLoad?(): Promise<void> | void;
    componentShouldUpdate?(newVal: any, oldVal: any, propName: string): boolean | void;
    componentWillUpdate?(): Promise<void> | void;
    componentDidUpdate?(): void;
    render?(): any;
} & import("../utils/internal/component").StencilLifecycle & InheritAriaAttributesMixinContract & import("../utils/internal/mixins/accessibility/inherit-aria-attributes.mixin").LifecycleWithInheritAriaAttributesMixin & {
    $internal_id: number;
    getHostElementId(): string;
    hostElement?: import("@stencil/core/internal").HTMLStencilElement;
    connectedCallback?(): void;
    disconnectedCallback?(): void;
    componentWillRender?(): Promise<void> | void;
    componentDidRender?(): void;
    componentWillLoad?(): Promise<void> | void;
    componentDidLoad?(): void;
    componentShouldUpdate?(newVal: any, oldVal: any, propName: string): boolean | void;
    componentWillUpdate?(): Promise<void> | void;
    componentDidUpdate?(): void;
    render?(): any;
};
/**
 * Floating panel anchored to a trigger element.
 *
 * @slot default - Child sections in order: `ix-popover-header`, `ix-popover-image`, `ix-popover-content`, and `ix-popover-footer`.
 *
 * @since 5.1.0
 */
export declare class Popover extends Popover_base implements PopoverInterface, InheritAriaAttributesMixinContract, ComponentIdMixinContract {
    hostElement: HTMLIxPopoverElement;
    /**
     * Element that toggles the popover.
     * String values are resolved as the trigger element `id`, not as CSS selectors.
     * Also accepts a DOM element reference.
     *
     * @since 5.1.0
     */
    trigger?: ElementReference;
    /**
     * Show/hide state
     *
     * @since 5.1.0
     */
    show: boolean;
    /**
     * Preferred placement relative to trigger
     *
     * @since 5.1.0
     */
    placement: 'top' | 'bottom' | 'left' | 'right';
    /**
     * Show the spike pointing at the trigger
     *
     * @since 5.1.0
     */
    hasSpike: boolean;
    /**
     * Interaction that opens the popover
     *
     * @since 5.1.0
     */
    triggerMode: 'click' | 'hover';
    /**
     * Dismiss when clicking outside the popover and trigger
     *
     * @since 5.1.0
     */
    closeOnClickOutside: boolean;
    /**
     * Fires before visibility changes. Cancel to prevent.
     *
     * @since 5.1.0
     */
    showChange: EventEmitter<boolean>;
    /**
     * Fires after visibility has changed
     *
     * @since 5.1.0
     */
    showChanged: EventEmitter<boolean>;
    private readonly dialogRef;
    private triggerElement?;
    private disposeAutoUpdate?;
    private disposeTriggerListener?;
    private disposeDialogListener?;
    private focusTrap?;
    private hideTimeout?;
    private readonly assignedNestedPopoverIds;
    private hasFocusableContent;
    private suppressShowWatch;
    private isOpeningPopover;
    private closeFocus;
    private hasDisconnected;
    private triggerRegistryId;
    /**
     * Hover mode: skip `present()` on the trigger `focus` handler while
     * `schedulePostCloseFocus()` refocuses the trigger (e.g. after Escape).
     */
    private suppressFocusPresent;
    private get spikeElement();
    private getFocusTrapOptions;
    /** Top-layer dialog id; kept separate from host `id` when the host has a custom id. */
    private get popoverPanelId();
    getId(): string;
    getNestedPopoverIds(): string[];
    cacheNestedPopoverId(event: CustomEvent<string>): void;
    isPresent(): boolean;
    willPresent(): boolean;
    willDismiss(): boolean;
    present(): Promise<void>;
    dismiss(closeFocus?: PopoverCloseFocus): void;
    /**
     * Open the popover programmatically
     *
     * @since 5.1.0
     */
    showPopover(): Promise<void>;
    /**
     * Close the popover programmatically
     *
     * @since 5.1.0
     */
    hidePopover(): Promise<void>;
    onTriggerChange(newTrigger: ElementReference | undefined, oldTrigger: ElementReference | undefined): void;
    onTriggerModeChange(): void;
    onShowChange(newValue: boolean): void;
    connectedCallback(): void;
    componentDidLoad(): void;
    private initializePopover;
    componentDidRender(): void;
    disconnectedCallback(): void;
    private openPopover;
    private closePopover;
    private detectFocusableContent;
    private focusFirstElement;
    private applyCloseFocus;
    /**
     * Run after `hidePopover()` so browser popover focus restoration can be
     * corrected (pointer dismiss) or overridden (keyboard dismiss).
     */
    private schedulePostCloseFocus;
    /** Pointer-driven dismiss: avoid a focus ring on the trigger. */
    private releasePopoverFocus;
    private blurTriggerElement;
    private registerTriggerListener;
    private discoverNestedPopover;
    private togglePopover;
    private containsPopoverTarget;
    private scheduleHideFromTrigger;
    private scheduleHide;
    private clearHideTimeout;
    private getTriggerAriaTarget;
    private clearTriggerAriaAttributes;
    private updateTriggerAria;
    private clearTriggerAria;
    private computeSpikePosition;
    private computePopoverPosition;
    private applyPopoverPosition;
    private registerHoverDialogListener;
    private onDialogMouseEnter;
    private onDialogMouseLeave;
    render(): any;
}
export {};