export function getXExtremes(chart: any): any;
export function getYExtremes(chart: any): any;
export function getChartScale({ extremes, step, maxZoom }: {
    extremes: any;
    step: any;
    maxZoom?: number | undefined;
}): number;
export function getCurrentMinValue(countedValue: any, originValue: any): any;
export function getCurrentMaxValue(countedValue: any, originValue: any): any;
export function getNextZoomCoordinates({ min, max, zoomType, zoomStep, scale }: {
    min: any;
    max: any;
    zoomType: any;
    zoomStep: any;
    scale: any;
}): any[];
export function getIsMaxZoom({ min, max, zoomStep, zoomType }: {
    min: any;
    max: any;
    zoomStep: any;
    zoomType: any;
}): boolean;
export function addXAxisNullablePoints(chart: any): void;
export function getLineColor(name: any): string;
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