import { ExtendedChartWidgetProps } from '../types';
/**
 * Copies chart type, style options, and per-measure visual flags (right-axis, color)
 * from a prior chart onto the newly generated widget props.
 *
 * NOTE: sort / trend / forecast are intentionally NOT copied — they reference column
 * names that may no longer exist after structural changes (add/remove/swap dimensions).
 */
export declare function applyPriorChartStyle(widgetProps: ExtendedChartWidgetProps, priorChart: ExtendedChartWidgetProps): void;