import WiggleBaseRenderer from '../WiggleBaseRenderer';
import type { RenderArgsDeserializedWithFeatures } from '../WiggleBaseRenderer';
export default class DensityRenderer extends WiggleBaseRenderer {
    draw(ctx: CanvasRenderingContext2D, props: RenderArgsDeserializedWithFeatures): Promise<{
        reducedFeatures: import("@jbrowse/core/util").Feature[];
    }>;
}