import type { KittenScientists } from "../../../KittenScientists.js";
import { UiComponent, type UiComponentOptions } from "../UiComponent.js";
export declare class ExpandoButton extends UiComponent {
    readonly element: JQuery;
    ineffective: boolean;
    /**
     * Constructs an expando element that is commonly used to expand and
     * collapses a section of the UI.
     *
     * @param host A reference to the host.
     * @param options Options for this expando.
     */
    constructor(host: KittenScientists, options?: Partial<UiComponentOptions>);
    setCollapsed(): void;
    setExpanded(): void;
    refreshUi(): void;
}
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