import { CartesianViewBox, ChartOffset } from './types';
/**
 * This is memoized because the viewBox is unlikely to change often
 * - but because it is computed from offset, any change to it would re-render all children.
 *
 * And because we have many readers of the viewBox, and update it only rarely,
 * then let's optimize with memoization.
 */
export declare const calculateViewBox: (offset: ChartOffset) => CartesianViewBox;