import type { PxmDropdownContent as PxmDropdownContentElement } from '../types';
/**
 * PXM Dropdown Content Component
 *
 * Shows/hides dropdown menu content based on parent <pxm-dropdown> state.
 * Handles keyboard navigation and focus management.
 * No Shadow DOM, no styling. All appearance is consumer-controlled.
 */
export declare class PxmDropdownContent extends HTMLElement {
    private _observer?;
    private _keydownHandler;
    private _typeaheadBuffer;
    private _typeaheadTimeout;
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    private _observeDropdown;
    private _findDropdown;
    private _findTrigger;
    private _getItems;
    private _getEnabledItems;
    private _focusItem;
    private _focusFirstItem;
    private _focusLastItem;
    private _focusNextItem;
    private _focusPrevItem;
    private _onKeyDown;
    private _closeDropdownAndFocusTrigger;
    private _onDocumentClick;
    private _onSubmenuOpen;
    private _updateState;
}
export type { PxmDropdownContentElement };