import { GeographicMarkerSeriesBase } from "./GeographicMarkerSeriesBase";
import { Series } from "igniteui-angular-charts";
import { Type } from "igniteui-angular-core";
/**
 * @hidden
 */
export declare abstract class GeographicProportionalSymbolSeriesBase extends GeographicMarkerSeriesBase {
    static $t: Type;
    protected abstract xm(): Series;
}