/**
 * Copyright Aquera Inc 2025
 *
 * 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';
import { OptionGroupData } from './nile-option-group.interface';
export declare class NileOptionGroup extends NileElement {
    static get styles(): CSSResultArray;
    name: string;
    data: OptionGroupData | null;
    sticky: boolean;
    private checkForImageOrIcon;
    private normalizeImageDimension;
    render(): TemplateResult;
}
export default NileOptionGroup;
declare global {
    interface HTMLElementTagNameMap {
        'nile-option-group': NileOptionGroup;
    }
}