import * as React from "react";
export interface CircleMarkerProps {
    readonly className?: string;
    readonly fillStyle?: string | ((datum: any) => string | undefined);
    readonly point: {
        x: number;
        y: number;
        datum: any;
    };
    readonly r: number | ((datum: any) => number);
    readonly strokeStyle?: string;
    readonly strokeWidth?: number;
}
export declare class CircleMarker extends React.Component<CircleMarkerProps> {
    static defaultProps: {
        fillStyle: string;
        strokeStyle: string;
        strokeWidth: number;
        className: string;
    };
    static drawOnCanvas: (props: CircleMarkerProps, point: {
        x: number;
        y: number;
        datum: unknown;
    }, ctx: CanvasRenderingContext2D) => void;
    render(): React.JSX.Element;
}