interface AdditionalOptions {
    ignoreBelowWidth?: number;
    ignoreAboveWidth?: number;
}
export declare class RootCloseTracker {
    private hierarchical;
    private mouseDownStatus;
    private trackedComponents;
    constructor(hierarchical: boolean);
    addTrackedComponent(v: any, tag: string | undefined, onRootClose: () => void, opts?: AdditionalOptions): void;
    removeTrackedComponent(v: any): void;
    private handleMouseDownCapture;
    private handleClickCapture;
    private handleKeyUp;
    private addEventListeners;
    private removeEventListeners;
}
export {};