/**
 * 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 { LitElement, CSSResultArray, TemplateResult, PropertyValues } from 'lit';
/**
 * Nile icon component.
 *
 * @tag nile-form-help-text
 *
 */
export declare class NileFormHelpText extends LitElement {
    /**
     * The styles for FormHelpText
     * @remarks If you are extending this class you can extend the base styles with super. Eg `return [super(), myCustomStyles]`
     */
    static get styles(): CSSResultArray;
    isExpanded: boolean;
    showButton: boolean;
    textContainer: HTMLSpanElement;
    private resizeObserver;
    protected firstUpdated(_changedProperties: PropertyValues): void;
    disconnectedCallback(): void;
    /**
     * Render method
     * @slot This is a slot test
     */
    render(): TemplateResult;
    toggleExpanded(): void;
    decideToToggleShowButton(): void;
    /**
     * Logs whenever the width of an element changes.
     * @param {HTMLElement} element - The element to observe for width changes.
     */
    observeWidthChange(element: HTMLElement): ResizeObserver;
}
export default NileFormHelpText;
declare global {
    interface HTMLElementTagNameMap {
        'nile-form-help-text': NileFormHelpText;
    }
}