import { EventEmitter } from '../../stencil-public-runtime';
/**
 * @slot default - Slot for placing content within the collapsible element.
 */
export declare class PostCollapsible {
    private isLoaded;
    private isOpen;
    host: HTMLPostCollapsibleElement;
    /**
     * If `true`, the element is collapsed otherwise it is displayed.
     */
    collapsed?: boolean;
    collapsedChange(): void;
    /**
     * An event emitted when the collapse element is shown or hidden, before the transition.
     *
     * The event payload is a boolean: `true` if the collapsible was opened, `false` if it was closed.
     */
    postToggle: EventEmitter<boolean>;
    componentDidLoad(): void;
    /**
     * Triggers the collapse programmatically.
     *
     * If there is a collapsing transition running already, it will be reversed.
     */
    toggle(open?: boolean): Promise<boolean>;
    /**
     * Update all post-collapsible-trigger elements referring to the collapsible
     */
    private updateTriggers;
    render(): any;
}