import { PropertyValues, nothing } from 'lit';
import { ContainerElement } from '../internal';
import { Control } from '../forms';
import { Menu, MenuItem } from '../menu';
import { Dropdown } from '../dropdown';
import { Tag } from '../tag';
import { Icon } from '../icon';
import { Checkbox } from '../checkbox';
/**
 * @element nve-combobox
 * @description An editable combobox with autocomplete behavior and selection support.
 * @since 0.17.0
 * @entrypoint \@nvidia-elements/core/combobox
 * @slot - default slot for an input and a datalist/select element
 * @slot prefix-icon - slot for icon before the input
 * @slot footer - slot for dropdown footer content
 * @cssprop --scroll-height
 * @cssprop --padding
 * @cssprop --font-size
 * @cssprop --height
 * @cssprop --background
 * @cssprop --color
 * @cssprop --border-radius
 * @cssprop --border
 * @cssprop --cursor
 * @cssprop --font-weight
 * @cssprop --width
 * @cssprop --border-color
 * @cssprop --max-height
 * @cssprop --text-transform
 * @csspart tag - The tag element for selected items
 * @csspart dropdown - The dropdown popup element
 * @csspart menu - The menu element
 * @csspart menu-item - The menu item elements
 * @csspart checkbox - The checkbox element
 * @csspart icon - The icon element
 * @event scroll - Fires when the user scrolls the dropdown option list. Throttled to one dispatch per animation frame. `detail: { scrollTop, scrollHeight, clientHeight }`.
 * @event create - Fires when the user confirms a value that doesn't match any existing option and the `behavior-create` attribute exists. `detail: { value }`.
 * @csspart create-option - The menu item element for creating new options
 * @aria https://www.w3.org/WAI/ARIA/apg/patterns/combobox/examples/combobox-autocomplete-list/
 */
export declare class Combobox extends Control implements ContainerElement {
    #private;
    /**
     * Reduces the visual container for a minimal borderless appearance while preserving whitespace bounds.
     * Use when embedding within another container such as a toolbar.
     */
    container: 'flat';
    /** Manage inline tag rendering for many-item select */
    tagLayout: 'hidden' | 'wrap';
    /** Enable creation of new options when the input value doesn't match any existing option. Dispatches a `create` event with `{ value }` detail. */
    behaviorCreate: boolean;
    static styles: import('lit').CSSResult[];
    static readonly metadata: {
        tag: string;
        version: string;
    };
    static elementDefinitions: {
        [Checkbox.metadata.tag]: typeof Checkbox;
        [Icon.metadata.tag]: typeof Icon;
        [Dropdown.metadata.tag]: typeof Dropdown;
        [Menu.metadata.tag]: typeof Menu;
        [MenuItem.metadata.tag]: typeof MenuItem;
        [Tag.metadata.tag]: typeof Tag;
    };
    protected _associateDatalist: boolean;
    protected get prefixContent(): import('lit').TemplateResult<1>;
    protected get suffixContent(): typeof nothing | import('lit').TemplateResult<1>;
    firstUpdated(props: PropertyValues<this>): Promise<void>;
    connectedCallback(): void;
    disconnectedCallback(): void;
    reset(): void;
    /** Select all options provided */
    selectAll(): void;
}