import * as d3 from 'd3';
export default class D3Support {
    private static dayFormat;
    private static monthDayFormat;
    static getDayOfYear: (date: Date) => number;
    static getMonthAndDay: (date: Date) => string;
    static initSvg(svg: d3.Selection<SVGSVGElement | null, {}, null, undefined>, width: number, height: number, margin: any): d3.Selection<SVGGElement, {}, null, undefined>;
    static uid(name: string): {
        id: string;
    };
    static svg(width: number, height: number): HTMLElement;
}
export interface HtmlSelection extends d3.Selection<d3.BaseType, any, HTMLElement, any> {
}