import { type PropertyValues } from 'lit';
import { LuxenElement } from '../../shared/luxen-element.js';
/**
 * A menu item for use inside `<l-dropdown>`.
 *
 * @slot - Label text.
 * @slot prefix - Leading content (e.g. icon).
 * @slot suffix - Trailing content.
 * @slot submenu - Nested `l-dropdown-item` elements rendered in a submenu panel anchored to this item. Drop an `<hr>` between them for a separator.
 *
 * @csspart submenu - The floating submenu panel.
 *
 * @cssproperty --color - Text color.
 *
 * @customElement l-dropdown-item
 */
export declare class DropdownItem extends LuxenElement {
    static styles: import("lit").CSSResult[];
    private _submenuFloating;
    /** The value associated with this item. */
    accessor value: string;
    /** Disables the item. */
    accessor disabled: boolean;
    /** The type of item: `normal` or `checkbox`. */
    accessor type: 'normal' | 'checkbox';
    /** Whether the checkbox item is checked. */
    accessor checked: boolean;
    /** Whether this item's submenu is open. Managed by the parent `l-dropdown`. */
    accessor submenuOpen: boolean;
    private accessor _hasSubmenu;
    /** Whether this item has nested `slot="submenu"` items. */
    get hasSubmenu(): boolean;
    connectedCallback(): void;
    private get _submenuEl();
    /** Returns the text label of this item (excludes nested submenu items). */
    getTextLabel(): string;
    /** Returns the enabled `l-dropdown-item` elements slotted into this item's submenu. */
    getSubmenuItems(): DropdownItem[];
    /** Opens this item's submenu panel. No-op without submenu items. */
    openSubmenu(): void;
    /** Closes this item's submenu panel, including any open nested submenus. */
    closeSubmenu(): void;
    updated(changed: PropertyValues<this>): void;
    private _getDuration;
    private _handleSubmenuOpenChange;
    private _onSubmenuSlotChange;
    render(): import("lit").TemplateResult<1>;
}
//# sourceMappingURL=dropdown-item.d.ts.map