/**
 * seriesAdapter — converts mui-native ChartSeries[] into the flat arrays
 * expected by react-native-gifted-charts BarChart / LineChart.
 *
 * @RN-DEVIATION gifted-charts does not have a grouped-bar API that accepts
 * an array of series objects.  For grouped bars we interleave data items with
 * explicit `spacing` overrides and inject a group spacer item between groups.
 */
import type { ChartSeries, GiftedBarDataItem, GiftedLineDataItem } from './types';
/**
 * Single-series bar chart data.
 */
export declare function adaptBarSeries(series: ChartSeries[], fallbackColors: string[]): GiftedBarDataItem[];
/**
 * Multi-series grouped bar chart data.
 * gifted-charts grouped bar accepts a flat array where each "group" is
 * represented by a set of items differentiated by `stacked` or by rendering
 * multiple BarChart components.  We use the `barData` array approach and
 * encode grouping via explicit `spacing` between groups.
 */
export declare function adaptGroupedBarSeries(series: ChartSeries[], fallbackColors: string[], barWidth: number, barGap: number): GiftedBarDataItem[];
/**
 * gifted-charts LineChart accepts `data` (primary series) + `data2`, `data3`…
 * We adapt to a primary + secondary structure for the first two series;
 * additional series are dropped with a console.warn in DEV.
 */
export declare function adaptLineSeries(series: ChartSeries[], fallbackColors: string[]): {
    data: GiftedLineDataItem[];
    data2?: GiftedLineDataItem[];
    color: string;
    color2?: string;
};
export declare function computeYBounds(series: ChartSeries[], configMin?: number, configMax?: number): {
    minValue: number;
    maxValue: number;
};
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