import { EventEmitter } from '../../stencil-public-runtime';
export declare class DnnCollapsible {
    el: HTMLDnnCollapsibleElement;
    /** Defines if the panel is expanded or not. */
    expanded: boolean;
    /** Defines the transition time in ms, defaults to 150ms */
    transitionDuration?: number;
    /** Fires whenever the collapsible height has changed */
    dnnCollapsibleHeightChanged: EventEmitter<void>;
    handleHeightChanged(): void;
    /**
     * Updates the component height, use to update after a slot content changes.
     */
    updateSize(): Promise<void>;
    handledExpandedChanged(expanded: boolean): void;
    private container;
    componentDidLoad(): void;
    render(): any;
}