import { ExtendedChartWidgetProps } from '../types';
/**
 * Serializes chartState for tool output while preserving live widget props.
 * translateChartToJSON can mutate dataOptions in place and drop presentation
 * flags such as showOnRightAxis — especially after y2Axis is enabled.
 */
export declare function finalizeChartWidgetSave(chartWidgetProps: ExtendedChartWidgetProps): void;