import { EventEmitter } from "../../stencil-public-runtime";
export declare class SwirlTreeNavigationItem {
    el: HTMLSwirlTreeNavigationItemElement;
    active?: boolean;
    href?: string;
    icon?: string;
    label: string;
    target?: string;
    markAsNew?: boolean;
    markAsNewLabel?: string;
    navigationItemId: string;
    level?: number;
    expandable?: boolean;
    external?: boolean;
    expansionChange: EventEmitter<boolean>;
    expanded: boolean;
    hasChildren: boolean;
    childrenHeight: string;
    private buttonId;
    private childrenId;
    private childrenRef?;
    componentWillLoad(): void;
    componentDidLoad(): void;
    private updateChildrenHeight;
    handleExpandedChange(): void;
    private checkForChildren;
    expand(): Promise<void>;
    collapse(): Promise<void>;
    private onKeyDown;
    private toggleExpanded;
    render(): any;
}