/**
 * 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 NileElement from '../internal/nile-element';
/**
 * @summary The shell's centre region — the page body; declares the size query container that page CSS sizes against.
 *
 * @status stable
 * @since 2.0
 *
 * @tag nile-app-shell-main
 *
 * @dependency nile-app-shell
 *
 * @slot - The page body.
 *
 * @attr no-container - Drops the query container, so page content can escape to the viewport.
 */
export declare class NileAppShellMain extends NileElement {
    static get styles(): CSSResultArray;
    /** Drops the size query container. */
    noContainer: boolean;
    render(): TemplateResult;
}
export default NileAppShellMain;
declare global {
    interface HTMLElementTagNameMap {
        'nile-app-shell-main': NileAppShellMain;
    }
}