import { NavigateButton } from '../../../index';
export declare class NavigateUpButton extends NavigateButton {
    constructor();
    protected _render(): void;
    protected _isDetail(): boolean;
    protected _toggleDetail(): boolean;
    /**
     * Returns true when current node has either a parentNode or if current node is a
     * top-level node without a parent and the outline has a default detail-form.
     */
    protected _buttonEnabled(): boolean;
    protected _drill(): void;
}
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