/**
 * Copyright Aquera Inc 2023
 *
 * This source code is licensed under the BSD-3-Clause license found in the
 * LICENSE file in the root directory of this source tree.
 */
import { CSSResultArray, TemplateResult } from 'lit';
import '../nile-button/nile-button';
import NileElement from '../internal/nile-element';
import type { NileAppShell } from '../nile-app-shell/nile-app-shell';
/**
 * @summary The side-nav toggle as a standalone control, for a header you build yourself.
 *
 * @status stable
 * @since 2.0
 *
 * @tag nile-app-shell-nav-toggle
 *
 * @dependency nile-app-shell
 * @dependency nile-glyph
 *
 * @csspart button - The toggle button.
 * @csspart rule - The trailing vertical rule.
 *
 * @cssproperty [--nile-app-shell-nav-toggle-offset=-6px] - Optical start offset, so the glyph lands on the bar's text origin.
 * @cssproperty [--nile-app-shell-utility-size=32px] - Box the toggle sits in; the hit area and hover surface, not a visible chip.
 */
export declare class NileAppShellNavToggle extends NileElement {
    static get styles(): CSSResultArray;
    /** Draws the vertical rule the shell's own bar puts after the toggle. */
    withRule: boolean;
    /** The shell to drive. Defaults to the nearest `nile-app-shell` ancestor, or the element with this id. */
    shell?: string;
    private _rail;
    private _locked;
    private _observed?;
    connectedCallback(): void;
    disconnectedCallback(): void;
    /** The shell this toggle drives, if it found one. */
    get appShell(): NileAppShell | null;
    private _attach;
    private _onShellToggle;
    private _sync;
    render(): TemplateResult;
    private _onClick;
}
export default NileAppShellNavToggle;
declare global {
    interface HTMLElementTagNameMap {
        'nile-app-shell-nav-toggle': NileAppShellNavToggle;
    }
}