import { LitElement, nothing } from 'lit';
import { type StateController } from '../controllers/state.js';
/**
 * Toolbar shown above the grid's header row. Hosts opt-in toolbar features
 * such as the quick-filter (global search) input and the export menu.
 *
 * @element apex-grid-toolbar
 *
 * @csspart toolbar - The toolbar's container element.
 * @csspart toolbar-search - The quick-filter input wrapper.
 * @csspart search-field - The bordered field containing the icon + input.
 * @csspart search-icon - The leading search icon.
 * @csspart search-input - The text input itself.
 * @csspart toolbar-actions - The trailing actions area (right side).
 * @csspart export-trigger - The export menu trigger button.
 * @csspart export-menu - The dropdown menu containing export options.
 * @csspart export-menu-item - A single menu item inside the export dropdown.
 */
export default class ApexGridToolbar<T extends object> extends LitElement {
    #private;
    static get tagName(): "apex-grid-toolbar";
    static styles: import("lit").CSSResult;
    /**
     * Registers the `<apex-grid-toolbar>` element. Idempotent.
     */
    static register(): void;
    state: StateController<T>;
    /**
     * The current quick-filter value, mirrored from {@link ApexGrid.quickFilter}.
     */
    value: string;
    /**
     * The placeholder rendered in the search input.
     */
    placeholder: string;
    /**
     * Debounce window (ms) before {@link ApexGrid.quickFilter} updates.
     */
    debounce: number;
    /** Whether to render the quick-filter input. Driven by the parent grid. */
    showQuickFilter: boolean;
    /** Whether to render the export menu trigger. Driven by the parent grid. */
    showExport: boolean;
    /** Optional override filename (without extension) for exports. */
    exportFilename: string;
    protected input: HTMLInputElement;
    protected exportTrigger: HTMLButtonElement;
    protected exportMenuEl: HTMLElement;
    protected exportMenuOpen: boolean;
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected renderQuickFilter(): import("lit-html").TemplateResult<1> | typeof nothing;
    protected renderExportMenu(): import("lit-html").TemplateResult<1> | typeof nothing;
    protected render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        [ApexGridToolbar.tagName]: ApexGridToolbar<object>;
    }
}