import type { WorkSlideChart, WorkSlideChartAxes, WorkSlideChartType } from './work-types';
/**
 * Returns the editable primary axes in their physical bottom/left positions.
 * Legacy category/value title fields are migrated on read so persisted charts
 * created before the complete axis model continue to render and export.
 */
export declare function presentationChartAxes(chart: WorkSlideChart): WorkSlideChartAxes | undefined;
/**
 * Maps category/X and value/Y settings by meaning when the chart type changes.
 * Axis-less chart types keep a canonical column-style copy so settings survive
 * a temporary switch to pie or doughnut.
 */
export declare function presentationChartAxesForType(chart: WorkSlideChart, targetType: WorkSlideChartType): WorkSlideChartAxes | undefined;
export declare function withPresentationChartAxes(chart: WorkSlideChart, axes: WorkSlideChartAxes | undefined): WorkSlideChart;