import * as d3 from 'd3';
export declare function getSvgGElementSize(selection: d3.Selection<SVGGElement, any, any, any>): DOMRect;
export declare function appendSvg(selection: d3.Selection<any, any, any, any>, svgString: string): void;
export declare function getD3TransitionEase(easeName: string): any;
export declare function makeD3Arc({ axisWidth, innerRadius, outerRadius, padAngle, cornerRadius }: {
    axisWidth: number;
    innerRadius: number;
    outerRadius: number;
    padAngle: number;
    cornerRadius: number;
}): d3.Arc<any, d3.DefaultArcObject>;
export declare const parseTickFormatValue: (value: any, tickFormat: string | ((text: d3.NumberValue) => string | d3.NumberValue)) => string;
export declare const parseDateTickFormatValue: (value: any, tickFormat: string | ((text: d3.NumberValue) => string | d3.NumberValue)) => string;
export declare function isLightColor(color: string): boolean;