import { LitElement } from 'lit';
export declare class ExmgCollapsedBase extends LitElement {
    /**
     * Whether or not the element is opened or not
     * @type {Boolean}
     */
    opened: boolean;
    /**
     * Whether the element is transitioning or not
     * @type {Boolean}
     */
    transitioning: boolean;
    _desiredSize: string;
    _initialized: boolean;
    constructor();
    /**
     * Toggle the current(opened/closed) state.
     * @public
     */
    toggle(): void;
    /**
     * Set the opened state
     * @public
     */
    show(): void;
    /**
     * Set the closed state
     * @public
     */
    hide(): void;
    /**
     * @private
     */
    _calcSize(): string;
    /**
     * @private
     */
    _updateTransition(enabled: boolean): void;
    updateSize(size: string, animated: boolean): void;
    /**
     * @private
     */
    _openedChanged(): void;
    /**
     * @private
     */
    _onTransitionEnd(event: TransitionEvent): void;
    /**
     * @private
     */
    _transitionEnd(): void;
    protected render(): import("lit-html").TemplateResult<1>;
}