import { Series } from "../series";
import { SeriesMarker, SeriesMarkerFormatterParams } from "../seriesMarker";
export declare abstract class PolarSeries extends Series {
    directionKeys: {
        x: string[];
        y: string[];
    };
    /**
     * The center of the polar series (for example, the center of a pie).
     * If the polar chart has multiple series, all of them will have their
     * center set to the same value as a result of the polar chart layout.
     * The center coordinates are not supposed to be set by the user.
     */
    centerX: number;
    centerY: number;
    /**
     * The maximum radius the series can use.
     * This value is set automatically as a result of the polar chart layout
     * and is not supposed to be set by the user.
     */
    radius: number;
}
export declare class PolarSeriesMarker extends SeriesMarker {
    formatter?: (params: PolarSeriesMarkerFormatterParams) => {
        fill?: string;
        stroke?: string;
        strokeWidth: number;
        size: number;
    };
}
export interface PolarSeriesMarkerFormatterParams extends SeriesMarkerFormatterParams {
    angleKey: string;
    radiusKey: string;
}