export default class Chart {
    degreeChart: string | null;
    maxDegrees: number;
    startDegrees: number;
    start: number;
    ctx: CanvasRenderingContext2D | null;
    animation: number;
    percentElement: HTMLElement;
    chart: HTMLCanvasElement;
    rootDegrees: number;
    animationSpeed: number;
    constructor($chart: HTMLCanvasElement, $percentElm: HTMLElement, $animationSpeed?: number);
    updateChart(): void;
    createChart(): void;
    clearCircle(): void;
    degreesToRadians(degrees: number): number;
    getDegrees(degrees: number | string | null): number | null;
}