export declare class Breadcrumb { items: string | Array<{ label: string; href?: string; }>; wrapItems: boolean; parsedItems: Array<{ label: string; href?: string; }>; isDropdownOpen: boolean; private handleDropdownToggle; private handleActivatorPointer; parseItems(newValue: string | Array<{ label: string; href?: string; }>): void; private renderCollapsedDropdown; private renderItemContent; private renderBreadcrumbItem; componentWillLoad(): void; render(): any; }