import type { RowNode } from '../../types/row.types';
import type { ColumnDef } from '../../types/column.types';
import type { ChartData } from '../chart-data-transformer';
import type { ChartRenderOptions } from '../chart-renderer';
import type { ChartAggregation, ChartModel } from './chart-model';
/** Pixel size a chart is rendered at. */
export interface ChartSize {
    readonly width: number;
    readonly height: number;
}
/**
 * Translates a {@link ChartModel} plus the current grid rows/columns into the
 * `ChartData` the {@link ChartRenderer} consumes.
 *
 * Bridges the model's column-id roles (category / series) and aggregation to the
 * existing {@link ChartDataTransformer}, then applies the model's
 * `switchCategorySeries` transpose. When aggregation is `'none'` each data row
 * becomes its own category (no grouping), matching AG Grid's Aggregate-off mode.
 *
 * @param model - The chart definition.
 * @param rows - Current grid rows (data rows are filtered internally).
 * @param columns - Column definitions used to resolve ids to field paths.
 * @returns Labels + datasets ready to render.
 */
export declare function buildChartData(model: ChartModel, rows: RowNode[], columns: ColumnDef[]): ChartData;
/**
 * Maps a {@link ChartModel}'s presentation sections onto {@link ChartRenderOptions}.
 * Empty strings are passed through deliberately — the renderer treats them as
 * "resolve from the active theme token".
 *
 * @param model - The chart definition.
 * @param size - The pixel size to render at.
 * @returns Fully-specified render options.
 */
export declare function toRenderOptions(model: ChartModel, size: ChartSize): ChartRenderOptions;
/** Aggregation strategies the model exposes to the Set Up tab, in display order. */
export declare const AGGREGATION_OPTIONS: readonly ChartAggregation[];
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