import { Notebook } from '@jupyterlab/notebook';
/**
 * Ensure that the notebook has proper focus.
 */
declare function _ensureFocus(notebook: Notebook, force?: boolean): void;
/**
 * Find the cell index containing the target html element.
 *
 * #### Notes
 * Returns -1 if the cell is not found.
 */
declare function _findCell(notebook: Notebook, node: HTMLElement): number;
declare function _findTargetCell(notebook: Notebook, event: MouseEvent): {
    target: HTMLElement;
    index: number;
};
export { _ensureFocus, _findCell, _findTargetCell };