import type { ChartXValue } from "../../../core/index";
import type { ResolvedCartesianChartTheme } from "../../theme";
export declare const clamp: (value: number, min: number, max: number) => number;
export declare const unique: <TValue>(values: TValue[]) => TValue[];
export declare const getSeriesColor: (theme: ResolvedCartesianChartTheme, index: number) => string;
export declare const defaultFormatXLabel: (value: ChartXValue) => string;
export declare const defaultFormatYLabel: (value: number) => string;
export declare const getXKey: (value: ChartXValue) => string | number;
export declare const getXScaleType: (values: ChartXValue[]) => "point" | "linear" | "time";
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